15706640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11549}}^1$

素因数の和:11579

約数の個数: 40

約数和(自身を含む): 38669400

約数和(自身を除く): 22962760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11549, 23098, 46196, 57745, 92392, 115490, 184784, 196333, 230980, 392666, 461960, 785332, 923920, 981665, 1570664, 1963330, 3141328, 3926660, 7853320, 15706640]

約数ペア:

[(1, 15706640), (2, 7853320), (4, 3926660), (5, 3141328), (8, 1963330), (10, 1570664), (16, 981665), (17, 923920), (20, 785332), (34, 461960), (40, 392666), (68, 230980), (80, 196333), (85, 184784), (136, 115490), (170, 92392), (272, 57745), (340, 46196), (680, 23098), (1360, 11549)]