1275012020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1\times {\mathrm{1511}}^1$

素因数の和:2912

約数の個数: 48

約数和(自身を含む): 2767758336

約数和(自身を除く): 1492746316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1361, 1511, 2722, 3022, 5444, 6044, 6805, 7555, 13610, 15110, 27220, 30220, 42191, 46841, 84382, 93682, 168764, 187364, 210955, 234205, 421910, 468410, 843820, 936820, 2056471, 4112942, 8225884, 10282355, 20564710, 41129420, 63750601, 127501202, 255002404, 318753005, 637506010, 1275012020]

約数ペア:

[(1, 1275012020), (2, 637506010), (4, 318753005), (5, 255002404), (10, 127501202), (20, 63750601), (31, 41129420), (62, 20564710), (124, 10282355), (155, 8225884), (310, 4112942), (620, 2056471), (1361, 936820), (1511, 843820), (2722, 468410), (3022, 421910), (5444, 234205), (6044, 210955), (6805, 187364), (7555, 168764), (13610, 93682), (15110, 84382), (27220, 46841), (30220, 42191)]