79725490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 162312192

約数和(自身を除く): 82586702

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 73, 130, 146, 155, 271, 310, 365, 403, 542, 730, 806, 949, 1355, 1898, 2015, 2263, 2710, 3523, 4030, 4526, 4745, 7046, 8401, 9490, 11315, 16802, 17615, 19783, 22630, 29419, 35230, 39566, 42005, 58838, 84010, 98915, 109213, 147095, 197830, 218426, 257179, 294190, 514358, 546065, 613273, 1092130, 1226546, 1285895, 2571790, 3066365, 6132730, 7972549, 15945098, 39862745, 79725490]

約数ペア:

[(1, 79725490), (2, 39862745), (5, 15945098), (10, 7972549), (13, 6132730), (26, 3066365), (31, 2571790), (62, 1285895), (65, 1226546), (73, 1092130), (130, 613273), (146, 546065), (155, 514358), (271, 294190), (310, 257179), (365, 218426), (403, 197830), (542, 147095), (730, 109213), (806, 98915), (949, 84010), (1355, 58838), (1898, 42005), (2015, 39566), (2263, 35230), (2710, 29419), (3523, 22630), (4030, 19783), (4526, 17615), (4745, 16802), (7046, 11315), (8401, 9490)]