51808240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:658

約数の個数: 80

約数和(自身を含む): 132821856

約数和(自身を除く): 81013616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 113, 176, 220, 226, 440, 452, 521, 565, 880, 904, 1042, 1130, 1243, 1808, 2084, 2260, 2486, 2605, 4168, 4520, 4972, 5210, 5731, 6215, 8336, 9040, 9944, 10420, 11462, 12430, 19888, 20840, 22924, 24860, 28655, 41680, 45848, 49720, 57310, 58873, 91696, 99440, 114620, 117746, 229240, 235492, 294365, 458480, 470984, 588730, 647603, 941968, 1177460, 1295206, 2354920, 2590412, 3238015, 4709840, 5180824, 6476030, 10361648, 12952060, 25904120, 51808240]

約数ペア:

[(1, 51808240), (2, 25904120), (4, 12952060), (5, 10361648), (8, 6476030), (10, 5180824), (11, 4709840), (16, 3238015), (20, 2590412), (22, 2354920), (40, 1295206), (44, 1177460), (55, 941968), (80, 647603), (88, 588730), (110, 470984), (113, 458480), (176, 294365), (220, 235492), (226, 229240), (440, 117746), (452, 114620), (521, 99440), (565, 91696), (880, 58873), (904, 57310), (1042, 49720), (1130, 45848), (1243, 41680), (1808, 28655), (2084, 24860), (2260, 22924), (2486, 20840), (2605, 19888), (4168, 12430), (4520, 11462), (4972, 10420), (5210, 9944), (5731, 9040), (6215, 8336)]