260249900

素因数分解:

$2^2\times 5^2\times {\mathrm{811}}^1\times {\mathrm{3209}}^1$

素因数の和:4034

約数の個数: 36

約数和(自身を含む): 565614840

約数和(自身を除く): 305364940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 811, 1622, 3209, 3244, 4055, 6418, 8110, 12836, 16045, 16220, 20275, 32090, 40550, 64180, 80225, 81100, 160450, 320900, 2602499, 5204998, 10409996, 13012495, 26024990, 52049980, 65062475, 130124950, 260249900]

約数ペア:

[(1, 260249900), (2, 130124950), (4, 65062475), (5, 52049980), (10, 26024990), (20, 13012495), (25, 10409996), (50, 5204998), (100, 2602499), (811, 320900), (1622, 160450), (3209, 81100), (3244, 80225), (4055, 64180), (6418, 40550), (8110, 32090), (12836, 20275), (16045, 16220)]