38888980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{401}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 88404624

約数和(自身を除く): 49515644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 373, 401, 746, 802, 1492, 1604, 1865, 2005, 3730, 4010, 4849, 5213, 7460, 8020, 9698, 10426, 19396, 20852, 24245, 26065, 48490, 52130, 96980, 104260, 149573, 299146, 598292, 747865, 1495730, 1944449, 2991460, 3888898, 7777796, 9722245, 19444490, 38888980]

約数ペア:

[(1, 38888980), (2, 19444490), (4, 9722245), (5, 7777796), (10, 3888898), (13, 2991460), (20, 1944449), (26, 1495730), (52, 747865), (65, 598292), (130, 299146), (260, 149573), (373, 104260), (401, 96980), (746, 52130), (802, 48490), (1492, 26065), (1604, 24245), (1865, 20852), (2005, 19396), (3730, 10426), (4010, 9698), (4849, 8020), (5213, 7460)]