258825200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{20873}}^1$

素因数の和:20922

約数の個数: 60

約数和(自身を含む): 641917248

約数和(自身を除く): 383092048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 20873, 41746, 83492, 104365, 166984, 208730, 333968, 417460, 521825, 647063, 834920, 1043650, 1294126, 1669840, 2087300, 2588252, 3235315, 4174600, 5176504, 6470630, 8349200, 10353008, 12941260, 16176575, 25882520, 32353150, 51765040, 64706300, 129412600, 258825200]

約数ペア:

[(1, 258825200), (2, 129412600), (4, 64706300), (5, 51765040), (8, 32353150), (10, 25882520), (16, 16176575), (20, 12941260), (25, 10353008), (31, 8349200), (40, 6470630), (50, 5176504), (62, 4174600), (80, 3235315), (100, 2588252), (124, 2087300), (155, 1669840), (200, 1294126), (248, 1043650), (310, 834920), (400, 647063), (496, 521825), (620, 417460), (775, 333968), (1240, 208730), (1550, 166984), (2480, 104365), (3100, 83492), (6200, 41746), (12400, 20873)]