89020840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 226437120

約数和(自身を除く): 137416280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 41, 62, 68, 82, 85, 103, 124, 136, 155, 164, 170, 205, 206, 248, 310, 328, 340, 410, 412, 515, 527, 620, 680, 697, 820, 824, 1030, 1054, 1240, 1271, 1394, 1640, 1751, 2060, 2108, 2542, 2635, 2788, 3193, 3485, 3502, 4120, 4216, 4223, 5084, 5270, 5576, 6355, 6386, 6970, 7004, 8446, 8755, 10168, 10540, 12710, 12772, 13940, 14008, 15965, 16892, 17510, 21080, 21115, 21607, 25420, 25544, 27880, 31930, 33784, 35020, 42230, 43214, 50840, 54281, 63860, 70040, 71791, 84460, 86428, 108035, 108562, 127720, 130913, 143582, 168920, 172856, 216070, 217124, 261826, 271405, 287164, 358955, 432140, 434248, 523652, 542810, 574328, 654565, 717910, 864280, 1047304, 1085620, 1309130, 1435820, 2171240, 2225521, 2618260, 2871640, 4451042, 5236520, 8902084, 11127605, 17804168, 22255210, 44510420, 89020840]

約数ペア:

[(1, 89020840), (2, 44510420), (4, 22255210), (5, 17804168), (8, 11127605), (10, 8902084), (17, 5236520), (20, 4451042), (31, 2871640), (34, 2618260), (40, 2225521), (41, 2171240), (62, 1435820), (68, 1309130), (82, 1085620), (85, 1047304), (103, 864280), (124, 717910), (136, 654565), (155, 574328), (164, 542810), (170, 523652), (205, 434248), (206, 432140), (248, 358955), (310, 287164), (328, 271405), (340, 261826), (410, 217124), (412, 216070), (515, 172856), (527, 168920), (620, 143582), (680, 130913), (697, 127720), (820, 108562), (824, 108035), (1030, 86428), (1054, 84460), (1240, 71791), (1271, 70040), (1394, 63860), (1640, 54281), (1751, 50840), (2060, 43214), (2108, 42230), (2542, 35020), (2635, 33784), (2788, 31930), (3193, 27880), (3485, 25544), (3502, 25420), (4120, 21607), (4216, 21115), (4223, 21080), (5084, 17510), (5270, 16892), (5576, 15965), (6355, 14008), (6386, 13940), (6970, 12772), (7004, 12710), (8446, 10540), (8755, 10168)]