80529920

素因数分解:

$2^9\times 5^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:485

約数の個数: 80

約数和(自身を含む): 195924960

約数和(自身を除く): 115395040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 379, 415, 512, 640, 664, 758, 830, 1280, 1328, 1516, 1660, 1895, 2560, 2656, 3032, 3320, 3790, 5312, 6064, 6640, 7580, 10624, 12128, 13280, 15160, 21248, 24256, 26560, 30320, 31457, 42496, 48512, 53120, 60640, 62914, 97024, 106240, 121280, 125828, 157285, 194048, 212480, 242560, 251656, 314570, 485120, 503312, 629140, 970240, 1006624, 1258280, 2013248, 2516560, 4026496, 5033120, 8052992, 10066240, 16105984, 20132480, 40264960, 80529920]

約数ペア:

[(1, 80529920), (2, 40264960), (4, 20132480), (5, 16105984), (8, 10066240), (10, 8052992), (16, 5033120), (20, 4026496), (32, 2516560), (40, 2013248), (64, 1258280), (80, 1006624), (83, 970240), (128, 629140), (160, 503312), (166, 485120), (256, 314570), (320, 251656), (332, 242560), (379, 212480), (415, 194048), (512, 157285), (640, 125828), (664, 121280), (758, 106240), (830, 97024), (1280, 62914), (1328, 60640), (1516, 53120), (1660, 48512), (1895, 42496), (2560, 31457), (2656, 30320), (3032, 26560), (3320, 24256), (3790, 21248), (5312, 15160), (6064, 13280), (6640, 12128), (7580, 10624)]