91085440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4591}}^1$

素因数の和:4641

約数の個数: 64

約数和(自身を含む): 224824320

約数和(自身を除く): 133738880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4591, 4960, 9182, 9920, 18364, 19840, 22955, 36728, 45910, 73456, 91820, 142321, 146912, 183640, 284642, 293824, 367280, 569284, 587648, 711605, 734560, 1138568, 1423210, 1469120, 2277136, 2846420, 2938240, 4554272, 5692840, 9108544, 11385680, 18217088, 22771360, 45542720, 91085440]

約数ペア:

[(1, 91085440), (2, 45542720), (4, 22771360), (5, 18217088), (8, 11385680), (10, 9108544), (16, 5692840), (20, 4554272), (31, 2938240), (32, 2846420), (40, 2277136), (62, 1469120), (64, 1423210), (80, 1138568), (124, 734560), (128, 711605), (155, 587648), (160, 569284), (248, 367280), (310, 293824), (320, 284642), (496, 183640), (620, 146912), (640, 142321), (992, 91820), (1240, 73456), (1984, 45910), (2480, 36728), (3968, 22955), (4591, 19840), (4960, 18364), (9182, 9920)]