88212980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1801}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 193751040

約数和(自身を除く): 105538060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 1801, 2449, 3602, 4898, 7204, 9005, 9796, 12245, 18010, 24490, 36020, 48980, 55831, 111662, 142279, 223324, 279155, 284558, 558310, 569116, 711395, 1116620, 1422790, 2845580, 4410649, 8821298, 17642596, 22053245, 44106490, 88212980]

約数ペア:

[(1, 88212980), (2, 44106490), (4, 22053245), (5, 17642596), (10, 8821298), (20, 4410649), (31, 2845580), (62, 1422790), (79, 1116620), (124, 711395), (155, 569116), (158, 558310), (310, 284558), (316, 279155), (395, 223324), (620, 142279), (790, 111662), (1580, 55831), (1801, 48980), (2449, 36020), (3602, 24490), (4898, 18010), (7204, 12245), (9005, 9796)]