42771560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 104993280

約数和(自身を除く): 62221720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 991, 1079, 1660, 1982, 2158, 3320, 3964, 4316, 4955, 5395, 7928, 8632, 9910, 10790, 12883, 19820, 21580, 25766, 39640, 43160, 51532, 64415, 82253, 103064, 128830, 164506, 257660, 329012, 411265, 515320, 658024, 822530, 1069289, 1645060, 2138578, 3290120, 4277156, 5346445, 8554312, 10692890, 21385780, 42771560]

約数ペア:

[(1, 42771560), (2, 21385780), (4, 10692890), (5, 8554312), (8, 5346445), (10, 4277156), (13, 3290120), (20, 2138578), (26, 1645060), (40, 1069289), (52, 822530), (65, 658024), (83, 515320), (104, 411265), (130, 329012), (166, 257660), (260, 164506), (332, 128830), (415, 103064), (520, 82253), (664, 64415), (830, 51532), (991, 43160), (1079, 39640), (1660, 25766), (1982, 21580), (2158, 19820), (3320, 12883), (3964, 10790), (4316, 9910), (4955, 8632), (5395, 7928)]