25151100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6449}}^1$

素因数の和:6479

約数の個数: 72

約数和(自身を含む): 78380400

約数和(自身を除く): 53229300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 6449, 12898, 19347, 25796, 32245, 38694, 64490, 77388, 83837, 96735, 128980, 161225, 167674, 193470, 251511, 322450, 335348, 386940, 419185, 483675, 503022, 644900, 838370, 967350, 1006044, 1257555, 1676740, 1934700, 2095925, 2515110, 4191850, 5030220, 6287775, 8383700, 12575550, 25151100]

約数ペア:

[(1, 25151100), (2, 12575550), (3, 8383700), (4, 6287775), (5, 5030220), (6, 4191850), (10, 2515110), (12, 2095925), (13, 1934700), (15, 1676740), (20, 1257555), (25, 1006044), (26, 967350), (30, 838370), (39, 644900), (50, 503022), (52, 483675), (60, 419185), (65, 386940), (75, 335348), (78, 322450), (100, 251511), (130, 193470), (150, 167674), (156, 161225), (195, 128980), (260, 96735), (300, 83837), (325, 77388), (390, 64490), (650, 38694), (780, 32245), (975, 25796), (1300, 19347), (1950, 12898), (3900, 6449)]