80880625

素因数分解:

$5^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 60

約数和(自身を含む): 124647600

約数和(自身を除く): 43766975

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 125, 133, 139, 175, 245, 475, 625, 665, 695, 875, 931, 973, 1225, 2375, 2641, 3325, 3475, 4375, 4655, 4865, 6125, 6811, 11875, 13205, 16625, 17375, 18487, 23275, 24325, 30625, 34055, 66025, 83125, 86875, 92435, 116375, 121625, 129409, 170275, 330125, 462175, 581875, 608125, 647045, 851375, 1650625, 2310875, 3235225, 4256875, 11554375, 16176125, 80880625]

約数ペア:

[(1, 80880625), (5, 16176125), (7, 11554375), (19, 4256875), (25, 3235225), (35, 2310875), (49, 1650625), (95, 851375), (125, 647045), (133, 608125), (139, 581875), (175, 462175), (245, 330125), (475, 170275), (625, 129409), (665, 121625), (695, 116375), (875, 92435), (931, 86875), (973, 83125), (1225, 66025), (2375, 34055), (2641, 30625), (3325, 24325), (3475, 23275), (4375, 18487), (4655, 17375), (4865, 16625), (6125, 13205), (6811, 11875)]