80043860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9931}}^1$

素因数の和:9984

約数の個数: 48

約数和(自身を含む): 186880512

約数和(自身を除く): 106836652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 9931, 19862, 39724, 49655, 99310, 129103, 198620, 258206, 307861, 516412, 615722, 645515, 1231444, 1291030, 1539305, 2582060, 3078610, 4002193, 6157220, 8004386, 16008772, 20010965, 40021930, 80043860]

約数ペア:

[(1, 80043860), (2, 40021930), (4, 20010965), (5, 16008772), (10, 8004386), (13, 6157220), (20, 4002193), (26, 3078610), (31, 2582060), (52, 1539305), (62, 1291030), (65, 1231444), (124, 645515), (130, 615722), (155, 516412), (260, 307861), (310, 258206), (403, 198620), (620, 129103), (806, 99310), (1612, 49655), (2015, 39724), (4030, 19862), (8060, 9931)]