78610720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28901}}^1$

素因数の和:28933

約数の個数: 48

約数和(自身を含む): 196649208

約数和(自身を除く): 118038488

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 28901, 57802, 115604, 144505, 231208, 289010, 462416, 491317, 578020, 924832, 982634, 1156040, 1965268, 2312080, 2456585, 3930536, 4624160, 4913170, 7861072, 9826340, 15722144, 19652680, 39305360, 78610720]

約数ペア:

[(1, 78610720), (2, 39305360), (4, 19652680), (5, 15722144), (8, 9826340), (10, 7861072), (16, 4913170), (17, 4624160), (20, 3930536), (32, 2456585), (34, 2312080), (40, 1965268), (68, 1156040), (80, 982634), (85, 924832), (136, 578020), (160, 491317), (170, 462416), (272, 289010), (340, 231208), (544, 144505), (680, 115604), (1360, 57802), (2720, 28901)]