28376140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109139}}^1$

素因数の和:109161

約数の個数: 24

約数和(自身を含む): 64174320

約数和(自身を除く): 35798180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109139, 218278, 436556, 545695, 1091390, 1418807, 2182780, 2837614, 5675228, 7094035, 14188070, 28376140]

約数ペア:

[(1, 28376140), (2, 14188070), (4, 7094035), (5, 5675228), (10, 2837614), (13, 2182780), (20, 1418807), (26, 1091390), (52, 545695), (65, 436556), (130, 218278), (260, 109139)]