8104720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7793}}^1$

素因数の和:7819

約数の個数: 40

約数和(自身を含む): 20295576

約数和(自身を除く): 12190856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7793, 15586, 31172, 38965, 62344, 77930, 101309, 124688, 155860, 202618, 311720, 405236, 506545, 623440, 810472, 1013090, 1620944, 2026180, 4052360, 8104720]

約数ペア:

[(1, 8104720), (2, 4052360), (4, 2026180), (5, 1620944), (8, 1013090), (10, 810472), (13, 623440), (16, 506545), (20, 405236), (26, 311720), (40, 202618), (52, 155860), (65, 124688), (80, 101309), (104, 77930), (130, 62344), (208, 38965), (260, 31172), (520, 15586), (1040, 7793)]