205657704080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1\times {\mathrm{49207}}^1$

素因数の和:49896

約数の個数: 80

約数和(自身を含む): 484360248960

約数和(自身を除く): 278702544880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 587, 712, 890, 1174, 1424, 1780, 2348, 2935, 3560, 4696, 5870, 7120, 9392, 11740, 23480, 46960, 49207, 52243, 98414, 104486, 196828, 208972, 246035, 261215, 393656, 417944, 492070, 522430, 787312, 835888, 984140, 1044860, 1968280, 2089720, 3936560, 4179440, 4379423, 8758846, 17517692, 21897115, 28884509, 35035384, 43794230, 57769018, 70070768, 87588460, 115538036, 144422545, 175176920, 231076072, 288845090, 350353840, 462152144, 577690180, 1155380360, 2310760720, 2570721301, 5141442602, 10282885204, 12853606505, 20565770408, 25707213010, 41131540816, 51414426020, 102828852040, 205657704080]

約数ペア:

[(1, 205657704080), (2, 102828852040), (4, 51414426020), (5, 41131540816), (8, 25707213010), (10, 20565770408), (16, 12853606505), (20, 10282885204), (40, 5141442602), (80, 2570721301), (89, 2310760720), (178, 1155380360), (356, 577690180), (445, 462152144), (587, 350353840), (712, 288845090), (890, 231076072), (1174, 175176920), (1424, 144422545), (1780, 115538036), (2348, 87588460), (2935, 70070768), (3560, 57769018), (4696, 43794230), (5870, 35035384), (7120, 28884509), (9392, 21897115), (11740, 17517692), (23480, 8758846), (46960, 4379423), (49207, 4179440), (52243, 3936560), (98414, 2089720), (104486, 1968280), (196828, 1044860), (208972, 984140), (246035, 835888), (261215, 787312), (393656, 522430), (417944, 492070)]