1389105625

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 1794925440

約数和(自身を除く): 405819815

約数列:

[1, 5, 25, 41, 125, 151, 205, 359, 625, 755, 1025, 1795, 3775, 5125, 6191, 8975, 14719, 18875, 25625, 30955, 44875, 54209, 73595, 94375, 154775, 224375, 271045, 367975, 773875, 1355225, 1839875, 2222569, 3869375, 6776125, 9199375, 11112845, 33880625, 55564225, 277821125, 1389105625]

約数ペア:

[(1, 1389105625), (5, 277821125), (25, 55564225), (41, 33880625), (125, 11112845), (151, 9199375), (205, 6776125), (359, 3869375), (625, 2222569), (755, 1839875), (1025, 1355225), (1795, 773875), (3775, 367975), (5125, 271045), (6191, 224375), (8975, 154775), (14719, 94375), (18875, 73595), (25625, 54209), (30955, 44875)]