15818140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{733}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 36253728

約数和(自身を除く): 20435588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 733, 830, 1079, 1466, 1660, 2158, 2932, 3665, 4316, 5395, 7330, 9529, 10790, 14660, 19058, 21580, 38116, 47645, 60839, 95290, 121678, 190580, 243356, 304195, 608390, 790907, 1216780, 1581814, 3163628, 3954535, 7909070, 15818140]

約数ペア:

[(1, 15818140), (2, 7909070), (4, 3954535), (5, 3163628), (10, 1581814), (13, 1216780), (20, 790907), (26, 608390), (52, 304195), (65, 243356), (83, 190580), (130, 121678), (166, 95290), (260, 60839), (332, 47645), (415, 38116), (733, 21580), (830, 19058), (1079, 14660), (1466, 10790), (1660, 9529), (2158, 7330), (2932, 5395), (3665, 4316)]