785668040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{10289}}^1$

素因数の和:10406

約数の個数: 64

約数和(自身を含む): 1867017600

約数和(自身を除く): 1081349560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 184, 230, 332, 415, 460, 664, 830, 920, 1660, 1909, 3320, 3818, 7636, 9545, 10289, 15272, 19090, 20578, 38180, 41156, 51445, 76360, 82312, 102890, 205780, 236647, 411560, 473294, 853987, 946588, 1183235, 1707974, 1893176, 2366470, 3415948, 4269935, 4732940, 6831896, 8539870, 9465880, 17079740, 19641701, 34159480, 39283402, 78566804, 98208505, 157133608, 196417010, 392834020, 785668040]

約数ペア:

[(1, 785668040), (2, 392834020), (4, 196417010), (5, 157133608), (8, 98208505), (10, 78566804), (20, 39283402), (23, 34159480), (40, 19641701), (46, 17079740), (83, 9465880), (92, 8539870), (115, 6831896), (166, 4732940), (184, 4269935), (230, 3415948), (332, 2366470), (415, 1893176), (460, 1707974), (664, 1183235), (830, 946588), (920, 853987), (1660, 473294), (1909, 411560), (3320, 236647), (3818, 205780), (7636, 102890), (9545, 82312), (10289, 76360), (15272, 51445), (19090, 41156), (20578, 38180)]