85420240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:724

約数の個数: 80

約数和(自身を含む): 212611392

約数和(自身を除く): 127191152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 214, 272, 340, 428, 535, 587, 680, 856, 1070, 1174, 1360, 1712, 1819, 2140, 2348, 2935, 3638, 4280, 4696, 5870, 7276, 8560, 9095, 9392, 9979, 11740, 14552, 18190, 19958, 23480, 29104, 36380, 39916, 46960, 49895, 62809, 72760, 79832, 99790, 125618, 145520, 159664, 199580, 251236, 314045, 399160, 502472, 628090, 798320, 1004944, 1067753, 1256180, 2135506, 2512360, 4271012, 5024720, 5338765, 8542024, 10677530, 17084048, 21355060, 42710120, 85420240]

約数ペア:

[(1, 85420240), (2, 42710120), (4, 21355060), (5, 17084048), (8, 10677530), (10, 8542024), (16, 5338765), (17, 5024720), (20, 4271012), (34, 2512360), (40, 2135506), (68, 1256180), (80, 1067753), (85, 1004944), (107, 798320), (136, 628090), (170, 502472), (214, 399160), (272, 314045), (340, 251236), (428, 199580), (535, 159664), (587, 145520), (680, 125618), (856, 99790), (1070, 79832), (1174, 72760), (1360, 62809), (1712, 49895), (1819, 46960), (2140, 39916), (2348, 36380), (2935, 29104), (3638, 23480), (4280, 19958), (4696, 18190), (5870, 14552), (7276, 11740), (8560, 9979), (9095, 9392)]