64461980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2593}}^1$

素因数の和:2726

約数の個数: 48

約数和(自身を含む): 149040864

約数和(自身を除く): 84578884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 2593, 4972, 5186, 6215, 10372, 12430, 12965, 24860, 25930, 28523, 51860, 57046, 114092, 142615, 285230, 293009, 570460, 586018, 1172036, 1465045, 2930090, 3223099, 5860180, 6446198, 12892396, 16115495, 32230990, 64461980]

約数ペア:

[(1, 64461980), (2, 32230990), (4, 16115495), (5, 12892396), (10, 6446198), (11, 5860180), (20, 3223099), (22, 2930090), (44, 1465045), (55, 1172036), (110, 586018), (113, 570460), (220, 293009), (226, 285230), (452, 142615), (565, 114092), (1130, 57046), (1243, 51860), (2260, 28523), (2486, 25930), (2593, 24860), (4972, 12965), (5186, 12430), (6215, 10372)]