5180500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 12199824

約数和(自身を除く): 7019324

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 797, 1300, 1594, 1625, 3188, 3250, 3985, 6500, 7970, 10361, 15940, 19925, 20722, 39850, 41444, 51805, 79700, 99625, 103610, 199250, 207220, 259025, 398500, 518050, 1036100, 1295125, 2590250, 5180500]

約数ペア:

[(1, 5180500), (2, 2590250), (4, 1295125), (5, 1036100), (10, 518050), (13, 398500), (20, 259025), (25, 207220), (26, 199250), (50, 103610), (52, 99625), (65, 79700), (100, 51805), (125, 41444), (130, 39850), (250, 20722), (260, 19925), (325, 15940), (500, 10361), (650, 7970), (797, 6500), (1300, 3985), (1594, 3250), (1625, 3188)]