220164100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1039}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 518161280

約数和(自身を除く): 297997180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 163, 260, 325, 326, 650, 652, 815, 1039, 1300, 1630, 2078, 2119, 3260, 4075, 4156, 4238, 5195, 8150, 8476, 10390, 10595, 13507, 16300, 20780, 21190, 25975, 27014, 42380, 51950, 52975, 54028, 67535, 103900, 105950, 135070, 169357, 211900, 270140, 337675, 338714, 675350, 677428, 846785, 1350700, 1693570, 2201641, 3387140, 4233925, 4403282, 8467850, 8806564, 11008205, 16935700, 22016410, 44032820, 55041025, 110082050, 220164100]

約数ペア:

[(1, 220164100), (2, 110082050), (4, 55041025), (5, 44032820), (10, 22016410), (13, 16935700), (20, 11008205), (25, 8806564), (26, 8467850), (50, 4403282), (52, 4233925), (65, 3387140), (100, 2201641), (130, 1693570), (163, 1350700), (260, 846785), (325, 677428), (326, 675350), (650, 338714), (652, 337675), (815, 270140), (1039, 211900), (1300, 169357), (1630, 135070), (2078, 105950), (2119, 103900), (3260, 67535), (4075, 54028), (4156, 52975), (4238, 51950), (5195, 42380), (8150, 27014), (8476, 25975), (10390, 21190), (10595, 20780), (13507, 16300)]