20235516880

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{53173}}^1$

素因数の和:53324

約数の個数: 80

約数和(自身を含む): 48423222144

約数和(自身を除く): 28187705264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 71, 80, 134, 142, 268, 284, 335, 355, 536, 568, 670, 710, 1072, 1136, 1340, 1420, 2680, 2840, 4757, 5360, 5680, 9514, 19028, 23785, 38056, 47570, 53173, 76112, 95140, 106346, 190280, 212692, 265865, 380560, 425384, 531730, 850768, 1063460, 2126920, 3562591, 3775283, 4253840, 7125182, 7550566, 14250364, 15101132, 17812955, 18876415, 28500728, 30202264, 35625910, 37752830, 57001456, 60404528, 71251820, 75505660, 142503640, 151011320, 252943961, 285007280, 302022640, 505887922, 1011775844, 1264719805, 2023551688, 2529439610, 4047103376, 5058879220, 10117758440, 20235516880]

約数ペア:

[(1, 20235516880), (2, 10117758440), (4, 5058879220), (5, 4047103376), (8, 2529439610), (10, 2023551688), (16, 1264719805), (20, 1011775844), (40, 505887922), (67, 302022640), (71, 285007280), (80, 252943961), (134, 151011320), (142, 142503640), (268, 75505660), (284, 71251820), (335, 60404528), (355, 57001456), (536, 37752830), (568, 35625910), (670, 30202264), (710, 28500728), (1072, 18876415), (1136, 17812955), (1340, 15101132), (1420, 14250364), (2680, 7550566), (2840, 7125182), (4757, 4253840), (5360, 3775283), (5680, 3562591), (9514, 2126920), (19028, 1063460), (23785, 850768), (38056, 531730), (47570, 425384), (53173, 380560), (76112, 265865), (95140, 212692), (106346, 190280)]