72679760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53441}}^1$

素因数の和:53471

約数の個数: 40

約数和(自身を含む): 178923816

約数和(自身を除く): 106244056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 53441, 106882, 213764, 267205, 427528, 534410, 855056, 908497, 1068820, 1816994, 2137640, 3633988, 4275280, 4542485, 7267976, 9084970, 14535952, 18169940, 36339880, 72679760]

約数ペア:

[(1, 72679760), (2, 36339880), (4, 18169940), (5, 14535952), (8, 9084970), (10, 7267976), (16, 4542485), (17, 4275280), (20, 3633988), (34, 2137640), (40, 1816994), (68, 1068820), (80, 908497), (85, 855056), (136, 534410), (170, 427528), (272, 267205), (340, 213764), (680, 106882), (1360, 53441)]