42378128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2579}}^1$

素因数の和:2679

約数の個数: 40

約数和(自身を含む): 89577600

約数和(自身を除く): 47199472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 2579, 4108, 5158, 8216, 10316, 16432, 20632, 33527, 41264, 67054, 134108, 203741, 268216, 407482, 536432, 814964, 1629928, 2648633, 3259856, 5297266, 10594532, 21189064, 42378128]

約数ペア:

[(1, 42378128), (2, 21189064), (4, 10594532), (8, 5297266), (13, 3259856), (16, 2648633), (26, 1629928), (52, 814964), (79, 536432), (104, 407482), (158, 268216), (208, 203741), (316, 134108), (632, 67054), (1027, 41264), (1264, 33527), (2054, 20632), (2579, 16432), (4108, 10316), (5158, 8216)]