2100030920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4038521}}^1$

素因数の和:4038545

約数の個数: 32

約数和(自身を含む): 5088537720

約数和(自身を除く): 2988506800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4038521, 8077042, 16154084, 20192605, 32308168, 40385210, 52500773, 80770420, 105001546, 161540840, 210003092, 262503865, 420006184, 525007730, 1050015460, 2100030920]

約数ペア:

[(1, 2100030920), (2, 1050015460), (4, 525007730), (5, 420006184), (8, 262503865), (10, 210003092), (13, 161540840), (20, 105001546), (26, 80770420), (40, 52500773), (52, 40385210), (65, 32308168), (104, 20192605), (130, 16154084), (260, 8077042), (520, 4038521)]