16040920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 25949480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 971, 1180, 1652, 1942, 2065, 2360, 3304, 3884, 4130, 4855, 6797, 7768, 8260, 9710, 13594, 16520, 19420, 27188, 33985, 38840, 54376, 57289, 67970, 114578, 135940, 229156, 271880, 286445, 401023, 458312, 572890, 802046, 1145780, 1604092, 2005115, 2291560, 3208184, 4010230, 8020460, 16040920]

約数ペア:

[(1, 16040920), (2, 8020460), (4, 4010230), (5, 3208184), (7, 2291560), (8, 2005115), (10, 1604092), (14, 1145780), (20, 802046), (28, 572890), (35, 458312), (40, 401023), (56, 286445), (59, 271880), (70, 229156), (118, 135940), (140, 114578), (236, 67970), (280, 57289), (295, 54376), (413, 38840), (472, 33985), (590, 27188), (826, 19420), (971, 16520), (1180, 13594), (1652, 9710), (1942, 8260), (2065, 7768), (2360, 6797), (3304, 4855), (3884, 4130)]