25737500

素因数分解:

$2^2\times 5^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 59058720

約数和(自身を除く): 33321220

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 71, 100, 116, 125, 142, 145, 250, 284, 290, 355, 500, 580, 625, 710, 725, 1250, 1420, 1450, 1775, 2059, 2500, 2900, 3125, 3550, 3625, 4118, 6250, 7100, 7250, 8236, 8875, 10295, 12500, 14500, 17750, 18125, 20590, 35500, 36250, 41180, 44375, 51475, 72500, 88750, 90625, 102950, 177500, 181250, 205900, 221875, 257375, 362500, 443750, 514750, 887500, 1029500, 1286875, 2573750, 5147500, 6434375, 12868750, 25737500]

約数ペア:

[(1, 25737500), (2, 12868750), (4, 6434375), (5, 5147500), (10, 2573750), (20, 1286875), (25, 1029500), (29, 887500), (50, 514750), (58, 443750), (71, 362500), (100, 257375), (116, 221875), (125, 205900), (142, 181250), (145, 177500), (250, 102950), (284, 90625), (290, 88750), (355, 72500), (500, 51475), (580, 44375), (625, 41180), (710, 36250), (725, 35500), (1250, 20590), (1420, 18125), (1450, 17750), (1775, 14500), (2059, 12500), (2500, 10295), (2900, 8875), (3125, 8236), (3550, 7250), (3625, 7100), (4118, 6250)]