4427800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 11232540

約数和(自身を除く): 6804740

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 131, 169, 200, 260, 262, 325, 338, 520, 524, 650, 655, 676, 845, 1048, 1300, 1310, 1352, 1690, 1703, 2600, 2620, 3275, 3380, 3406, 4225, 5240, 6550, 6760, 6812, 8450, 8515, 13100, 13624, 16900, 17030, 22139, 26200, 33800, 34060, 42575, 44278, 68120, 85150, 88556, 110695, 170300, 177112, 221390, 340600, 442780, 553475, 885560, 1106950, 2213900, 4427800]

約数ペア:

[(1, 4427800), (2, 2213900), (4, 1106950), (5, 885560), (8, 553475), (10, 442780), (13, 340600), (20, 221390), (25, 177112), (26, 170300), (40, 110695), (50, 88556), (52, 85150), (65, 68120), (100, 44278), (104, 42575), (130, 34060), (131, 33800), (169, 26200), (200, 22139), (260, 17030), (262, 16900), (325, 13624), (338, 13100), (520, 8515), (524, 8450), (650, 6812), (655, 6760), (676, 6550), (845, 5240), (1048, 4225), (1300, 3406), (1310, 3380), (1352, 3275), (1690, 2620), (1703, 2600)]