88936780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 191237760

約数和(自身を除く): 102300980

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 269, 271, 305, 538, 542, 610, 1076, 1084, 1220, 1345, 1355, 2690, 2710, 5380, 5420, 16409, 16531, 32818, 33062, 65636, 66124, 72899, 82045, 82655, 145798, 164090, 165310, 291596, 328180, 330620, 364495, 728990, 1457980, 4446839, 8893678, 17787356, 22234195, 44468390, 88936780]

約数ペア:

[(1, 88936780), (2, 44468390), (4, 22234195), (5, 17787356), (10, 8893678), (20, 4446839), (61, 1457980), (122, 728990), (244, 364495), (269, 330620), (271, 328180), (305, 291596), (538, 165310), (542, 164090), (610, 145798), (1076, 82655), (1084, 82045), (1220, 72899), (1345, 66124), (1355, 65636), (2690, 33062), (2710, 32818), (5380, 16531), (5420, 16409)]