40665560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78203}}^1$

素因数の和:78227

約数の個数: 32

約数和(自身を含む): 98537040

約数和(自身を除く): 57871480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78203, 156406, 312812, 391015, 625624, 782030, 1016639, 1564060, 2033278, 3128120, 4066556, 5083195, 8133112, 10166390, 20332780, 40665560]

約数ペア:

[(1, 40665560), (2, 20332780), (4, 10166390), (5, 8133112), (8, 5083195), (10, 4066556), (13, 3128120), (20, 2033278), (26, 1564060), (40, 1016639), (52, 782030), (65, 625624), (104, 391015), (130, 312812), (260, 156406), (520, 78203)]