40760560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 105524496

約数和(自身を除く): 64763936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 43, 68, 80, 82, 85, 86, 136, 164, 170, 172, 205, 215, 272, 289, 328, 340, 344, 410, 430, 578, 656, 680, 688, 697, 731, 820, 860, 1156, 1360, 1394, 1445, 1462, 1640, 1720, 1763, 2312, 2788, 2890, 2924, 3280, 3440, 3485, 3526, 3655, 4624, 5576, 5780, 5848, 6970, 7052, 7310, 8815, 11152, 11560, 11696, 11849, 12427, 13940, 14104, 14620, 17630, 23120, 23698, 24854, 27880, 28208, 29240, 29971, 35260, 47396, 49708, 55760, 58480, 59245, 59942, 62135, 70520, 94792, 99416, 118490, 119884, 124270, 141040, 149855, 189584, 198832, 236980, 239768, 248540, 299710, 473960, 479536, 497080, 509507, 599420, 947920, 994160, 1019014, 1198840, 2038028, 2397680, 2547535, 4076056, 5095070, 8152112, 10190140, 20380280, 40760560]

約数ペア:

[(1, 40760560), (2, 20380280), (4, 10190140), (5, 8152112), (8, 5095070), (10, 4076056), (16, 2547535), (17, 2397680), (20, 2038028), (34, 1198840), (40, 1019014), (41, 994160), (43, 947920), (68, 599420), (80, 509507), (82, 497080), (85, 479536), (86, 473960), (136, 299710), (164, 248540), (170, 239768), (172, 236980), (205, 198832), (215, 189584), (272, 149855), (289, 141040), (328, 124270), (340, 119884), (344, 118490), (410, 99416), (430, 94792), (578, 70520), (656, 62135), (680, 59942), (688, 59245), (697, 58480), (731, 55760), (820, 49708), (860, 47396), (1156, 35260), (1360, 29971), (1394, 29240), (1445, 28208), (1462, 27880), (1640, 24854), (1720, 23698), (1763, 23120), (2312, 17630), (2788, 14620), (2890, 14104), (2924, 13940), (3280, 12427), (3440, 11849), (3485, 11696), (3526, 11560), (3655, 11152), (4624, 8815), (5576, 7310), (5780, 7052), (5848, 6970)]