561279680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{134923}}^1$

素因数の和:134953

約数の個数: 56

約数和(自身を含む): 1439369232

約数和(自身を除く): 878089552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 134923, 269846, 539692, 674615, 1079384, 1349230, 1753999, 2158768, 2698460, 3507998, 4317536, 5396920, 7015996, 8635072, 8769995, 10793840, 14031992, 17539990, 21587680, 28063984, 35079980, 43175360, 56127968, 70159960, 112255936, 140319920, 280639840, 561279680]

約数ペア:

[(1, 561279680), (2, 280639840), (4, 140319920), (5, 112255936), (8, 70159960), (10, 56127968), (13, 43175360), (16, 35079980), (20, 28063984), (26, 21587680), (32, 17539990), (40, 14031992), (52, 10793840), (64, 8769995), (65, 8635072), (80, 7015996), (104, 5396920), (130, 4317536), (160, 3507998), (208, 2698460), (260, 2158768), (320, 1753999), (416, 1349230), (520, 1079384), (832, 674615), (1040, 539692), (2080, 269846), (4160, 134923)]