31073840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7927}}^1$

素因数の和:7954

約数の個数: 60

約数和(自身を含む): 84052656

約数和(自身を除く): 52978816

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, 7927, 15854, 31708, 39635, 55489, 63416, 79270, 110978, 126832, 158540, 221956, 277445, 317080, 388423, 443912, 554890, 634160, 776846, 887824, 1109780, 1553692, 1942115, 2219560, 3107384, 3884230, 4439120, 6214768, 7768460, 15536920, 31073840]

約数ペア:

[(1, 31073840), (2, 15536920), (4, 7768460), (5, 6214768), (7, 4439120), (8, 3884230), (10, 3107384), (14, 2219560), (16, 1942115), (20, 1553692), (28, 1109780), (35, 887824), (40, 776846), (49, 634160), (56, 554890), (70, 443912), (80, 388423), (98, 317080), (112, 277445), (140, 221956), (196, 158540), (245, 126832), (280, 110978), (392, 79270), (490, 63416), (560, 55489), (784, 39635), (980, 31708), (1960, 15854), (3920, 7927)]