31591280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{8059}}^1$

素因数の和:8086

約数の個数: 60

約数和(自身を含む): 85452120

約数和(自身を除く): 53860840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 8059, 16118, 32236, 40295, 56413, 64472, 80590, 112826, 128944, 161180, 225652, 282065, 322360, 394891, 451304, 564130, 644720, 789782, 902608, 1128260, 1579564, 1974455, 2256520, 3159128, 3948910, 4513040, 6318256, 7897820, 15795640, 31591280]

約数ペア:

[(1, 31591280), (2, 15795640), (4, 7897820), (5, 6318256), (7, 4513040), (8, 3948910), (10, 3159128), (14, 2256520), (16, 1974455), (20, 1579564), (28, 1128260), (35, 902608), (40, 789782), (49, 644720), (56, 564130), (70, 451304), (80, 394891), (98, 322360), (112, 282065), (140, 225652), (196, 161180), (245, 128944), (280, 112826), (392, 80590), (490, 64472), (560, 56413), (784, 40295), (980, 32236), (1960, 16118), (3920, 8059)]