2080492375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 2881726848

約数和(自身を除く): 801234473

約数列:

[1, 5, 13, 25, 65, 67, 97, 125, 197, 325, 335, 485, 871, 985, 1261, 1625, 1675, 2425, 2561, 4355, 4925, 6305, 6499, 8375, 12125, 12805, 13199, 19109, 21775, 24625, 31525, 32495, 64025, 65995, 84487, 95545, 108875, 157625, 162475, 171587, 248417, 320125, 329975, 422435, 477725, 812375, 857935, 1242085, 1280303, 1649875, 2112175, 2388625, 4289675, 6210425, 6401515, 10560875, 16643939, 21448375, 31052125, 32007575, 83219695, 160037875, 416098475, 2080492375]

約数ペア:

[(1, 2080492375), (5, 416098475), (13, 160037875), (25, 83219695), (65, 32007575), (67, 31052125), (97, 21448375), (125, 16643939), (197, 10560875), (325, 6401515), (335, 6210425), (485, 4289675), (871, 2388625), (985, 2112175), (1261, 1649875), (1625, 1280303), (1675, 1242085), (2425, 857935), (2561, 812375), (4355, 477725), (4925, 422435), (6305, 329975), (6499, 320125), (8375, 248417), (12125, 171587), (12805, 162475), (13199, 157625), (19109, 108875), (21775, 95545), (24625, 84487), (31525, 65995), (32495, 64025)]