3920407.00000000

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:431

約数の個数: 40

約数和(自身を含む): 128758784

約数和(自身を除く): 36320659

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 367, 403, 625, 775, 1625, 1835, 2015, 3875, 4771, 8125, 9175, 10075, 11377, 19375, 23855, 45875, 50375, 56885, 119275, 147901, 229375, 251875, 284425, 596375, 739505, 1422125, 2981875, 3697525, 7110625, 18487625, 92438125]

約数ペア:

[(1, 92438125), (5, 18487625), (13, 7110625), (25, 3697525), (31, 2981875), (65, 1422125), (125, 739505), (155, 596375), (325, 284425), (367, 251875), (403, 229375), (625, 147901), (775, 119275), (1625, 56885), (1835, 50375), (2015, 45875), (3875, 23855), (4771, 19375), (8125, 11377), (9175, 10075)]