52517900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 121450560

約数和(自身を除く): 68932660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 131, 190, 211, 262, 380, 422, 475, 524, 655, 844, 950, 1055, 1310, 1900, 2110, 2489, 2620, 3275, 4009, 4220, 4978, 5275, 6550, 8018, 9956, 10550, 12445, 13100, 16036, 20045, 21100, 24890, 27641, 40090, 49780, 55282, 62225, 80180, 100225, 110564, 124450, 138205, 200450, 248900, 276410, 400900, 525179, 552820, 691025, 1050358, 1382050, 2100716, 2625895, 2764100, 5251790, 10503580, 13129475, 26258950, 52517900]

約数ペア:

[(1, 52517900), (2, 26258950), (4, 13129475), (5, 10503580), (10, 5251790), (19, 2764100), (20, 2625895), (25, 2100716), (38, 1382050), (50, 1050358), (76, 691025), (95, 552820), (100, 525179), (131, 400900), (190, 276410), (211, 248900), (262, 200450), (380, 138205), (422, 124450), (475, 110564), (524, 100225), (655, 80180), (844, 62225), (950, 55282), (1055, 49780), (1310, 40090), (1900, 27641), (2110, 24890), (2489, 21100), (2620, 20045), (3275, 16036), (4009, 13100), (4220, 12445), (4978, 10550), (5275, 9956), (6550, 8018)]