2013556025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1039}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 2762323200

約数和(自身を除く): 748767175

約数列:

[1, 5, 13, 25, 65, 67, 89, 325, 335, 445, 871, 1039, 1157, 1675, 2225, 4355, 5195, 5785, 5963, 13507, 21775, 25975, 28925, 29815, 67535, 69613, 77519, 92471, 149075, 337675, 348065, 387595, 462355, 904969, 1202123, 1740325, 1937975, 2311775, 4524845, 6010615, 6195557, 22624225, 30053075, 30977785, 80542241, 154888925, 402711205, 2013556025]

約数ペア:

[(1, 2013556025), (5, 402711205), (13, 154888925), (25, 80542241), (65, 30977785), (67, 30053075), (89, 22624225), (325, 6195557), (335, 6010615), (445, 4524845), (871, 2311775), (1039, 1937975), (1157, 1740325), (1675, 1202123), (2225, 904969), (4355, 462355), (5195, 387595), (5785, 348065), (5963, 337675), (13507, 149075), (21775, 92471), (25975, 77519), (28925, 69613), (29815, 67535)]