78960880

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{16729}}^1$

素因数の和:16801

約数の個数: 40

約数和(自身を含む): 186706800

約数和(自身を除く): 107745920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 16729, 33458, 66916, 83645, 133832, 167290, 267664, 334580, 669160, 987011, 1338320, 1974022, 3948044, 4935055, 7896088, 9870110, 15792176, 19740220, 39480440, 78960880]

約数ペア:

[(1, 78960880), (2, 39480440), (4, 19740220), (5, 15792176), (8, 9870110), (10, 7896088), (16, 4935055), (20, 3948044), (40, 1974022), (59, 1338320), (80, 987011), (118, 669160), (236, 334580), (295, 267664), (472, 167290), (590, 133832), (944, 83645), (1180, 66916), (2360, 33458), (4720, 16729)]