78978080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15923}}^1$

素因数の和:15969

約数の個数: 48

約数和(自身を含む): 192616704

約数和(自身を除く): 113638624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 15923, 31846, 63692, 79615, 127384, 159230, 254768, 318460, 493613, 509536, 636920, 987226, 1273840, 1974452, 2468065, 2547680, 3948904, 4936130, 7897808, 9872260, 15795616, 19744520, 39489040, 78978080]

約数ペア:

[(1, 78978080), (2, 39489040), (4, 19744520), (5, 15795616), (8, 9872260), (10, 7897808), (16, 4936130), (20, 3948904), (31, 2547680), (32, 2468065), (40, 1974452), (62, 1273840), (80, 987226), (124, 636920), (155, 509536), (160, 493613), (248, 318460), (310, 254768), (496, 159230), (620, 127384), (992, 79615), (1240, 63692), (2480, 31846), (4960, 15923)]