51457510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 106686720

約数和(自身を除く): 55229210

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 83, 95, 130, 166, 190, 247, 251, 415, 494, 502, 830, 1079, 1235, 1255, 1577, 2158, 2470, 2510, 3154, 3263, 4769, 5395, 6526, 7885, 9538, 10790, 15770, 16315, 20501, 20833, 23845, 32630, 41002, 41666, 47690, 61997, 102505, 104165, 123994, 205010, 208330, 270829, 309985, 395827, 541658, 619970, 791654, 1354145, 1979135, 2708290, 3958270, 5145751, 10291502, 25728755, 51457510]

約数ペア:

[(1, 51457510), (2, 25728755), (5, 10291502), (10, 5145751), (13, 3958270), (19, 2708290), (26, 1979135), (38, 1354145), (65, 791654), (83, 619970), (95, 541658), (130, 395827), (166, 309985), (190, 270829), (247, 208330), (251, 205010), (415, 123994), (494, 104165), (502, 102505), (830, 61997), (1079, 47690), (1235, 41666), (1255, 41002), (1577, 32630), (2158, 23845), (2470, 20833), (2510, 20501), (3154, 16315), (3263, 15770), (4769, 10790), (5395, 9538), (6526, 7885)]