129355000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 310962960

約数和(自身を除く): 181607960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 625, 631, 820, 1000, 1025, 1250, 1262, 1640, 2050, 2500, 2524, 3155, 4100, 5000, 5048, 5125, 6310, 8200, 10250, 12620, 15775, 20500, 25240, 25625, 25871, 31550, 41000, 51250, 51742, 63100, 78875, 102500, 103484, 126200, 129355, 157750, 205000, 206968, 258710, 315500, 394375, 517420, 631000, 646775, 788750, 1034840, 1293550, 1577500, 2587100, 3155000, 3233875, 5174200, 6467750, 12935500, 16169375, 25871000, 32338750, 64677500, 129355000]

約数ペア:

[(1, 129355000), (2, 64677500), (4, 32338750), (5, 25871000), (8, 16169375), (10, 12935500), (20, 6467750), (25, 5174200), (40, 3233875), (41, 3155000), (50, 2587100), (82, 1577500), (100, 1293550), (125, 1034840), (164, 788750), (200, 646775), (205, 631000), (250, 517420), (328, 394375), (410, 315500), (500, 258710), (625, 206968), (631, 205000), (820, 157750), (1000, 129355), (1025, 126200), (1250, 103484), (1262, 102500), (1640, 78875), (2050, 63100), (2500, 51742), (2524, 51250), (3155, 41000), (4100, 31550), (5000, 25871), (5048, 25625), (5125, 25240), (6310, 20500), (8200, 15775), (10250, 12620)]