81537950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 177738624

約数和(自身を除く): 96200674

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 47, 50, 65, 85, 94, 130, 157, 170, 221, 235, 314, 325, 425, 442, 470, 611, 650, 785, 799, 850, 1105, 1175, 1222, 1570, 1598, 2041, 2210, 2350, 2669, 3055, 3925, 3995, 4082, 5338, 5525, 6110, 7379, 7850, 7990, 10205, 10387, 11050, 13345, 14758, 15275, 19975, 20410, 20774, 26690, 30550, 34697, 36895, 39950, 51025, 51935, 66725, 69394, 73790, 95927, 102050, 103870, 125443, 133450, 173485, 184475, 191854, 250886, 259675, 346970, 368950, 479635, 519350, 627215, 867425, 959270, 1254430, 1630759, 1734850, 2398175, 3136075, 3261518, 4796350, 6272150, 8153795, 16307590, 40768975, 81537950]

約数ペア:

[(1, 81537950), (2, 40768975), (5, 16307590), (10, 8153795), (13, 6272150), (17, 4796350), (25, 3261518), (26, 3136075), (34, 2398175), (47, 1734850), (50, 1630759), (65, 1254430), (85, 959270), (94, 867425), (130, 627215), (157, 519350), (170, 479635), (221, 368950), (235, 346970), (314, 259675), (325, 250886), (425, 191854), (442, 184475), (470, 173485), (611, 133450), (650, 125443), (785, 103870), (799, 102050), (850, 95927), (1105, 73790), (1175, 69394), (1222, 66725), (1570, 51935), (1598, 51025), (2041, 39950), (2210, 36895), (2350, 34697), (2669, 30550), (3055, 26690), (3925, 20774), (3995, 20410), (4082, 19975), (5338, 15275), (5525, 14758), (6110, 13345), (7379, 11050), (7850, 10387), (7990, 10205)]