72655940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16741}}^1$

素因数の和:16788

約数の個数: 48

約数和(自身を含む): 180009984

約数和(自身を除く): 107354044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 16741, 33482, 66964, 83705, 117187, 167410, 234374, 334820, 468748, 518971, 585935, 1037942, 1171870, 2075884, 2343740, 2594855, 3632797, 5189710, 7265594, 10379420, 14531188, 18163985, 36327970, 72655940]

約数ペア:

[(1, 72655940), (2, 36327970), (4, 18163985), (5, 14531188), (7, 10379420), (10, 7265594), (14, 5189710), (20, 3632797), (28, 2594855), (31, 2343740), (35, 2075884), (62, 1171870), (70, 1037942), (124, 585935), (140, 518971), (155, 468748), (217, 334820), (310, 234374), (434, 167410), (620, 117187), (868, 83705), (1085, 66964), (2170, 33482), (4340, 16741)]