13421440

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 32668560

約数和(自身を除く): 19247120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 313, 320, 335, 536, 626, 640, 670, 1072, 1252, 1340, 1565, 2144, 2504, 2680, 3130, 4288, 5008, 5360, 6260, 8576, 10016, 10720, 12520, 20032, 20971, 21440, 25040, 40064, 41942, 42880, 50080, 83884, 100160, 104855, 167768, 200320, 209710, 335536, 419420, 671072, 838840, 1342144, 1677680, 2684288, 3355360, 6710720, 13421440]

約数ペア:

[(1, 13421440), (2, 6710720), (4, 3355360), (5, 2684288), (8, 1677680), (10, 1342144), (16, 838840), (20, 671072), (32, 419420), (40, 335536), (64, 209710), (67, 200320), (80, 167768), (128, 104855), (134, 100160), (160, 83884), (268, 50080), (313, 42880), (320, 41942), (335, 40064), (536, 25040), (626, 21440), (640, 20971), (670, 20032), (1072, 12520), (1252, 10720), (1340, 10016), (1565, 8576), (2144, 6260), (2504, 5360), (2680, 5008), (3130, 4288)]