90623840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{19531}}^1$

素因数の和:19575

約数の個数: 48

約数和(自身を含む): 221492880

約数和(自身を除く): 130869040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 19531, 39062, 78124, 97655, 156248, 195310, 312496, 390620, 566399, 624992, 781240, 1132798, 1562480, 2265596, 2831995, 3124960, 4531192, 5663990, 9062384, 11327980, 18124768, 22655960, 45311920, 90623840]

約数ペア:

[(1, 90623840), (2, 45311920), (4, 22655960), (5, 18124768), (8, 11327980), (10, 9062384), (16, 5663990), (20, 4531192), (29, 3124960), (32, 2831995), (40, 2265596), (58, 1562480), (80, 1132798), (116, 781240), (145, 624992), (160, 566399), (232, 390620), (290, 312496), (464, 195310), (580, 156248), (928, 97655), (1160, 78124), (2320, 39062), (4640, 19531)]