28403600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4177}}^1$

素因数の和:4212

約数の個数: 60

約数和(自身を含む): 72271044

約数和(自身を除く): 43867444

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 4177, 6800, 8354, 16708, 20885, 33416, 41770, 66832, 71009, 83540, 104425, 142018, 167080, 208850, 284036, 334160, 355045, 417700, 568072, 710090, 835400, 1136144, 1420180, 1670800, 1775225, 2840360, 3550450, 5680720, 7100900, 14201800, 28403600]

約数ペア:

[(1, 28403600), (2, 14201800), (4, 7100900), (5, 5680720), (8, 3550450), (10, 2840360), (16, 1775225), (17, 1670800), (20, 1420180), (25, 1136144), (34, 835400), (40, 710090), (50, 568072), (68, 417700), (80, 355045), (85, 334160), (100, 284036), (136, 208850), (170, 167080), (200, 142018), (272, 104425), (340, 83540), (400, 71009), (425, 66832), (680, 41770), (850, 33416), (1360, 20885), (1700, 16708), (3400, 8354), (4177, 6800)]