90877120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9161}}^1$

素因数の和:9209

約数の個数: 56

約数和(自身を含む): 223406208

約数和(自身を除く): 132529088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9161, 9920, 18322, 36644, 45805, 73288, 91610, 146576, 183220, 283991, 293152, 366440, 567982, 586304, 732880, 1135964, 1419955, 1465760, 2271928, 2839910, 2931520, 4543856, 5679820, 9087712, 11359640, 18175424, 22719280, 45438560, 90877120]

約数ペア:

[(1, 90877120), (2, 45438560), (4, 22719280), (5, 18175424), (8, 11359640), (10, 9087712), (16, 5679820), (20, 4543856), (31, 2931520), (32, 2839910), (40, 2271928), (62, 1465760), (64, 1419955), (80, 1135964), (124, 732880), (155, 586304), (160, 567982), (248, 366440), (310, 293152), (320, 283991), (496, 183220), (620, 146576), (992, 91610), (1240, 73288), (1984, 45805), (2480, 36644), (4960, 18322), (9161, 9920)]