65586880

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4999}}^1$

素因数の和:5057

約数の個数: 56

約数和(自身を含む): 160020000

約数和(自身を除く): 94433120

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, 4999, 6560, 9998, 13120, 19996, 24995, 39992, 49990, 79984, 99980, 159968, 199960, 204959, 319936, 399920, 409918, 799840, 819836, 1024795, 1599680, 1639672, 2049590, 3279344, 4099180, 6558688, 8198360, 13117376, 16396720, 32793440, 65586880]

約数ペア:

[(1, 65586880), (2, 32793440), (4, 16396720), (5, 13117376), (8, 8198360), (10, 6558688), (16, 4099180), (20, 3279344), (32, 2049590), (40, 1639672), (41, 1599680), (64, 1024795), (80, 819836), (82, 799840), (160, 409918), (164, 399920), (205, 319936), (320, 204959), (328, 199960), (410, 159968), (656, 99980), (820, 79984), (1312, 49990), (1640, 39992), (2624, 24995), (3280, 19996), (4999, 13120), (6560, 9998)]