65448440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 155381760

約数和(自身を除く): 89933320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1123, 1240, 1457, 1880, 2246, 2914, 4492, 5615, 5828, 7285, 8984, 11230, 11656, 14570, 22460, 29140, 34813, 44920, 52781, 58280, 69626, 105562, 139252, 174065, 211124, 263905, 278504, 348130, 422248, 527810, 696260, 1055620, 1392520, 1636211, 2111240, 3272422, 6544844, 8181055, 13089688, 16362110, 32724220, 65448440]

約数ペア:

[(1, 65448440), (2, 32724220), (4, 16362110), (5, 13089688), (8, 8181055), (10, 6544844), (20, 3272422), (31, 2111240), (40, 1636211), (47, 1392520), (62, 1055620), (94, 696260), (124, 527810), (155, 422248), (188, 348130), (235, 278504), (248, 263905), (310, 211124), (376, 174065), (470, 139252), (620, 105562), (940, 69626), (1123, 58280), (1240, 52781), (1457, 44920), (1880, 34813), (2246, 29140), (2914, 22460), (4492, 14570), (5615, 11656), (5828, 11230), (7285, 8984)]