64143680

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4889}}^1$

素因数の和:4947

約数の個数: 56

約数和(自身を含む): 156499560

約数和(自身を除く): 92355880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 4889, 6560, 9778, 13120, 19556, 24445, 39112, 48890, 78224, 97780, 156448, 195560, 200449, 312896, 391120, 400898, 782240, 801796, 1002245, 1564480, 1603592, 2004490, 3207184, 4008980, 6414368, 8017960, 12828736, 16035920, 32071840, 64143680]

約数ペア:

[(1, 64143680), (2, 32071840), (4, 16035920), (5, 12828736), (8, 8017960), (10, 6414368), (16, 4008980), (20, 3207184), (32, 2004490), (40, 1603592), (41, 1564480), (64, 1002245), (80, 801796), (82, 782240), (160, 400898), (164, 391120), (205, 312896), (320, 200449), (328, 195560), (410, 156448), (656, 97780), (820, 78224), (1312, 48890), (1640, 39112), (2624, 24445), (3280, 19556), (4889, 13120), (6560, 9778)]