40378960

素因数分解:

$2^4\times 5^1\times {\mathrm{683}}^1\times {\mathrm{739}}^1$

素因数の和:1435

約数の個数: 40

約数和(自身を含む): 94145760

約数和(自身を除く): 53766800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 683, 739, 1366, 1478, 2732, 2956, 3415, 3695, 5464, 5912, 6830, 7390, 10928, 11824, 13660, 14780, 27320, 29560, 54640, 59120, 504737, 1009474, 2018948, 2523685, 4037896, 5047370, 8075792, 10094740, 20189480, 40378960]

約数ペア:

[(1, 40378960), (2, 20189480), (4, 10094740), (5, 8075792), (8, 5047370), (10, 4037896), (16, 2523685), (20, 2018948), (40, 1009474), (80, 504737), (683, 59120), (739, 54640), (1366, 29560), (1478, 27320), (2732, 14780), (2956, 13660), (3415, 11824), (3695, 10928), (5464, 7390), (5912, 6830)]