64823980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{881}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 147286944

約数和(自身を除く): 82462964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 283, 566, 881, 1132, 1415, 1762, 2830, 3524, 3679, 4405, 5660, 7358, 8810, 11453, 14716, 17620, 18395, 22906, 36790, 45812, 57265, 73580, 114530, 229060, 249323, 498646, 997292, 1246615, 2493230, 3241199, 4986460, 6482398, 12964796, 16205995, 32411990, 64823980]

約数ペア:

[(1, 64823980), (2, 32411990), (4, 16205995), (5, 12964796), (10, 6482398), (13, 4986460), (20, 3241199), (26, 2493230), (52, 1246615), (65, 997292), (130, 498646), (260, 249323), (283, 229060), (566, 114530), (881, 73580), (1132, 57265), (1415, 45812), (1762, 36790), (2830, 22906), (3524, 18395), (3679, 17620), (4405, 14716), (5660, 11453), (7358, 8810)]