20180451560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1\times {\mathrm{26399}}^1$

素因数の和:27098

約数の個数: 64

約数和(自身を含む): 47044800000

約数和(自身を除く): 26864348440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 659, 1160, 1318, 2636, 3295, 5272, 6590, 13180, 19111, 26360, 26399, 38222, 52798, 76444, 95555, 105596, 131995, 152888, 191110, 211192, 263990, 382220, 527980, 764440, 765571, 1055960, 1531142, 3062284, 3827855, 6124568, 7655710, 15311420, 17396941, 30622840, 34793882, 69587764, 86984705, 139175528, 173969410, 347938820, 504511289, 695877640, 1009022578, 2018045156, 2522556445, 4036090312, 5045112890, 10090225780, 20180451560]

約数ペア:

[(1, 20180451560), (2, 10090225780), (4, 5045112890), (5, 4036090312), (8, 2522556445), (10, 2018045156), (20, 1009022578), (29, 695877640), (40, 504511289), (58, 347938820), (116, 173969410), (145, 139175528), (232, 86984705), (290, 69587764), (580, 34793882), (659, 30622840), (1160, 17396941), (1318, 15311420), (2636, 7655710), (3295, 6124568), (5272, 3827855), (6590, 3062284), (13180, 1531142), (19111, 1055960), (26360, 765571), (26399, 764440), (38222, 527980), (52798, 382220), (76444, 263990), (95555, 211192), (105596, 191110), (131995, 152888)]