55528980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71191}}^1$

素因数の和:71216

約数の個数: 48

約数和(自身を含む): 167443584

約数和(自身を除く): 111914604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 71191, 142382, 213573, 284764, 355955, 427146, 711910, 854292, 925483, 1067865, 1423820, 1850966, 2135730, 2776449, 3701932, 4271460, 4627415, 5552898, 9254830, 11105796, 13882245, 18509660, 27764490, 55528980]

約数ペア:

[(1, 55528980), (2, 27764490), (3, 18509660), (4, 13882245), (5, 11105796), (6, 9254830), (10, 5552898), (12, 4627415), (13, 4271460), (15, 3701932), (20, 2776449), (26, 2135730), (30, 1850966), (39, 1423820), (52, 1067865), (60, 925483), (65, 854292), (78, 711910), (130, 427146), (156, 355955), (195, 284764), (260, 213573), (390, 142382), (780, 71191)]