2051215325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{941}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 2825819136

約数和(自身を除く): 774603811

約数列:

[1, 5, 17, 23, 25, 85, 115, 223, 391, 425, 575, 941, 1115, 1955, 3791, 4705, 5129, 5575, 9775, 15997, 18955, 21643, 23525, 25645, 79985, 87193, 94775, 108215, 128225, 209843, 367931, 399925, 435965, 541075, 1049215, 1839655, 2179825, 3567331, 4826389, 5246075, 9198275, 17836655, 24131945, 82048613, 89183275, 120659725, 410243065, 2051215325]

約数ペア:

[(1, 2051215325), (5, 410243065), (17, 120659725), (23, 89183275), (25, 82048613), (85, 24131945), (115, 17836655), (223, 9198275), (391, 5246075), (425, 4826389), (575, 3567331), (941, 2179825), (1115, 1839655), (1955, 1049215), (3791, 541075), (4705, 435965), (5129, 399925), (5575, 367931), (9775, 209843), (15997, 128225), (18955, 108215), (21643, 94775), (23525, 87193), (25645, 79985)]