25385880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16273}}^1$

素因数の和:16300

約数の個数: 64

約数和(自身を含む): 82020960

約数和(自身を除く): 56635080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16273, 32546, 48819, 65092, 81365, 97638, 130184, 162730, 195276, 211549, 244095, 325460, 390552, 423098, 488190, 634647, 650920, 846196, 976380, 1057745, 1269294, 1692392, 1952760, 2115490, 2538588, 3173235, 4230980, 5077176, 6346470, 8461960, 12692940, 25385880]

約数ペア:

[(1, 25385880), (2, 12692940), (3, 8461960), (4, 6346470), (5, 5077176), (6, 4230980), (8, 3173235), (10, 2538588), (12, 2115490), (13, 1952760), (15, 1692392), (20, 1269294), (24, 1057745), (26, 976380), (30, 846196), (39, 650920), (40, 634647), (52, 488190), (60, 423098), (65, 390552), (78, 325460), (104, 244095), (120, 211549), (130, 195276), (156, 162730), (195, 130184), (260, 97638), (312, 81365), (390, 65092), (520, 48819), (780, 32546), (1560, 16273)]