87104440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 201670560

約数和(自身を除く): 114566120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 181, 212, 227, 265, 362, 424, 454, 530, 724, 905, 908, 1060, 1135, 1448, 1810, 1816, 2120, 2270, 3620, 4540, 7240, 9080, 9593, 12031, 19186, 24062, 38372, 41087, 47965, 48124, 60155, 76744, 82174, 95930, 96248, 120310, 164348, 191860, 205435, 240620, 328696, 383720, 410870, 481240, 821740, 1643480, 2177611, 4355222, 8710444, 10888055, 17420888, 21776110, 43552220, 87104440]

約数ペア:

[(1, 87104440), (2, 43552220), (4, 21776110), (5, 17420888), (8, 10888055), (10, 8710444), (20, 4355222), (40, 2177611), (53, 1643480), (106, 821740), (181, 481240), (212, 410870), (227, 383720), (265, 328696), (362, 240620), (424, 205435), (454, 191860), (530, 164348), (724, 120310), (905, 96248), (908, 95930), (1060, 82174), (1135, 76744), (1448, 60155), (1810, 48124), (1816, 47965), (2120, 41087), (2270, 38372), (3620, 24062), (4540, 19186), (7240, 12031), (9080, 9593)]