9930783020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1\times {\mathrm{25933}}^1$

素因数の和:26450

約数の個数: 48

約数和(自身を含む): 21409865568

約数和(自身を除く): 11479082548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 467, 820, 934, 1868, 2335, 4670, 9340, 19147, 25933, 38294, 51866, 76588, 95735, 103732, 129665, 191470, 259330, 382940, 518660, 1063253, 2126506, 4253012, 5316265, 10632530, 12110711, 21265060, 24221422, 48442844, 60553555, 121107110, 242214220, 496539151, 993078302, 1986156604, 2482695755, 4965391510, 9930783020]

約数ペア:

[(1, 9930783020), (2, 4965391510), (4, 2482695755), (5, 1986156604), (10, 993078302), (20, 496539151), (41, 242214220), (82, 121107110), (164, 60553555), (205, 48442844), (410, 24221422), (467, 21265060), (820, 12110711), (934, 10632530), (1868, 5316265), (2335, 4253012), (4670, 2126506), (9340, 1063253), (19147, 518660), (25933, 382940), (38294, 259330), (51866, 191470), (76588, 129665), (95735, 103732)]