38362880

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 101987424

約数和(自身を除く): 63624544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 43, 64, 68, 80, 82, 85, 86, 128, 136, 160, 164, 170, 172, 205, 215, 256, 272, 320, 328, 340, 344, 410, 430, 544, 640, 656, 680, 688, 697, 731, 820, 860, 1088, 1280, 1312, 1360, 1376, 1394, 1462, 1640, 1720, 1763, 2176, 2624, 2720, 2752, 2788, 2924, 3280, 3440, 3485, 3526, 3655, 4352, 5248, 5440, 5504, 5576, 5848, 6560, 6880, 6970, 7052, 7310, 8815, 10496, 10880, 11008, 11152, 11696, 13120, 13760, 13940, 14104, 14620, 17630, 21760, 22304, 23392, 26240, 27520, 27880, 28208, 29240, 29971, 35260, 44608, 46784, 52480, 55040, 55760, 56416, 58480, 59942, 70520, 89216, 93568, 111520, 112832, 116960, 119884, 141040, 149855, 178432, 187136, 223040, 225664, 233920, 239768, 282080, 299710, 446080, 451328, 467840, 479536, 564160, 599420, 892160, 935680, 959072, 1128320, 1198840, 1918144, 2256640, 2397680, 3836288, 4795360, 7672576, 9590720, 19181440, 38362880]

約数ペア:

[(1, 38362880), (2, 19181440), (4, 9590720), (5, 7672576), (8, 4795360), (10, 3836288), (16, 2397680), (17, 2256640), (20, 1918144), (32, 1198840), (34, 1128320), (40, 959072), (41, 935680), (43, 892160), (64, 599420), (68, 564160), (80, 479536), (82, 467840), (85, 451328), (86, 446080), (128, 299710), (136, 282080), (160, 239768), (164, 233920), (170, 225664), (172, 223040), (205, 187136), (215, 178432), (256, 149855), (272, 141040), (320, 119884), (328, 116960), (340, 112832), (344, 111520), (410, 93568), (430, 89216), (544, 70520), (640, 59942), (656, 58480), (680, 56416), (688, 55760), (697, 55040), (731, 52480), (820, 46784), (860, 44608), (1088, 35260), (1280, 29971), (1312, 29240), (1360, 28208), (1376, 27880), (1394, 27520), (1462, 26240), (1640, 23392), (1720, 22304), (1763, 21760), (2176, 17630), (2624, 14620), (2720, 14104), (2752, 13940), (2788, 13760), (2924, 13120), (3280, 11696), (3440, 11152), (3485, 11008), (3526, 10880), (3655, 10496), (4352, 8815), (5248, 7310), (5440, 7052), (5504, 6970), (5576, 6880), (5848, 6560)]