20083354880

素因数分解:

$2^8\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{8377}}^1$

素因数の和:10271

約数の個数: 72

約数和(自身を含む): 48137340552

約数和(自身を除く): 28053985672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1873, 3746, 7492, 8377, 9365, 14984, 16754, 18730, 29968, 33508, 37460, 41885, 59936, 67016, 74920, 83770, 119872, 134032, 149840, 167540, 239744, 268064, 299680, 335080, 479488, 536128, 599360, 670160, 1072256, 1198720, 1340320, 2144512, 2397440, 2680640, 5361280, 10722560, 15690121, 31380242, 62760484, 78450605, 125520968, 156901210, 251041936, 313802420, 502083872, 627604840, 1004167744, 1255209680, 2008335488, 2510419360, 4016670976, 5020838720, 10041677440, 20083354880]

約数ペア:

[(1, 20083354880), (2, 10041677440), (4, 5020838720), (5, 4016670976), (8, 2510419360), (10, 2008335488), (16, 1255209680), (20, 1004167744), (32, 627604840), (40, 502083872), (64, 313802420), (80, 251041936), (128, 156901210), (160, 125520968), (256, 78450605), (320, 62760484), (640, 31380242), (1280, 15690121), (1873, 10722560), (3746, 5361280), (7492, 2680640), (8377, 2397440), (9365, 2144512), (14984, 1340320), (16754, 1198720), (18730, 1072256), (29968, 670160), (33508, 599360), (37460, 536128), (41885, 479488), (59936, 335080), (67016, 299680), (74920, 268064), (83770, 239744), (119872, 167540), (134032, 149840)]