66347840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 112

約数和(自身を含む): 174741840

約数和(自身を除く): 108394000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 320, 328, 389, 410, 416, 520, 533, 656, 778, 820, 832, 1040, 1066, 1312, 1556, 1640, 1945, 2080, 2132, 2624, 2665, 3112, 3280, 3890, 4160, 4264, 5057, 5330, 6224, 6560, 7780, 8528, 10114, 10660, 12448, 13120, 15560, 15949, 17056, 20228, 21320, 24896, 25285, 31120, 31898, 34112, 40456, 42640, 50570, 62240, 63796, 79745, 80912, 85280, 101140, 124480, 127592, 159490, 161824, 170560, 202280, 207337, 255184, 318980, 323648, 404560, 414674, 510368, 637960, 809120, 829348, 1020736, 1036685, 1275920, 1618240, 1658696, 2073370, 2551840, 3317392, 4146740, 5103680, 6634784, 8293480, 13269568, 16586960, 33173920, 66347840]

約数ペア:

[(1, 66347840), (2, 33173920), (4, 16586960), (5, 13269568), (8, 8293480), (10, 6634784), (13, 5103680), (16, 4146740), (20, 3317392), (26, 2551840), (32, 2073370), (40, 1658696), (41, 1618240), (52, 1275920), (64, 1036685), (65, 1020736), (80, 829348), (82, 809120), (104, 637960), (130, 510368), (160, 414674), (164, 404560), (205, 323648), (208, 318980), (260, 255184), (320, 207337), (328, 202280), (389, 170560), (410, 161824), (416, 159490), (520, 127592), (533, 124480), (656, 101140), (778, 85280), (820, 80912), (832, 79745), (1040, 63796), (1066, 62240), (1312, 50570), (1556, 42640), (1640, 40456), (1945, 34112), (2080, 31898), (2132, 31120), (2624, 25285), (2665, 24896), (3112, 21320), (3280, 20228), (3890, 17056), (4160, 15949), (4264, 15560), (5057, 13120), (5330, 12448), (6224, 10660), (6560, 10114), (7780, 8528)]