80600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:60

約数の個数: 48

約数和(自身を含む): 208320

約数和(自身を除く): 127720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 200, 248, 260, 310, 325, 403, 520, 620, 650, 775, 806, 1240, 1300, 1550, 1612, 2015, 2600, 3100, 3224, 4030, 6200, 8060, 10075, 16120, 20150, 40300, 80600]

約数ペア:

[(1, 80600), (2, 40300), (4, 20150), (5, 16120), (8, 10075), (10, 8060), (13, 6200), (20, 4030), (25, 3224), (26, 3100), (31, 2600), (40, 2015), (50, 1612), (52, 1550), (62, 1300), (65, 1240), (100, 806), (104, 775), (124, 650), (130, 620), (155, 520), (200, 403), (248, 325), (260, 310)]