130823720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105503}}^1$

素因数の和:105545

約数の個数: 32

約数和(自身を含む): 303851520

約数和(自身を除く): 173027800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 105503, 211006, 422012, 527515, 844024, 1055030, 2110060, 3270593, 4220120, 6541186, 13082372, 16352965, 26164744, 32705930, 65411860, 130823720]

約数ペア:

[(1, 130823720), (2, 65411860), (4, 32705930), (5, 26164744), (8, 16352965), (10, 13082372), (20, 6541186), (31, 4220120), (40, 3270593), (62, 2110060), (124, 1055030), (155, 844024), (248, 527515), (310, 422012), (620, 211006), (1240, 105503)]