40189996

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2663}}^1$

素因数の和:2699

約数の個数: 48

約数和(自身を含む): 89510400

約数和(自身を除く): 49320404

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1372, 2156, 2663, 3773, 5326, 7546, 10652, 15092, 18641, 29293, 37282, 58586, 74564, 117172, 130487, 205051, 260974, 410102, 521948, 820204, 913409, 1435357, 1826818, 2870714, 3653636, 5741428, 10047499, 20094998, 40189996]

約数ペア:

[(1, 40189996), (2, 20094998), (4, 10047499), (7, 5741428), (11, 3653636), (14, 2870714), (22, 1826818), (28, 1435357), (44, 913409), (49, 820204), (77, 521948), (98, 410102), (154, 260974), (196, 205051), (308, 130487), (343, 117172), (539, 74564), (686, 58586), (1078, 37282), (1372, 29293), (2156, 18641), (2663, 15092), (3773, 10652), (5326, 7546)]