40000540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 87494400

約数和(自身を除く): 47493860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 433, 596, 620, 745, 866, 1490, 1732, 2165, 2980, 4330, 4619, 8660, 9238, 13423, 18476, 23095, 26846, 46190, 53692, 64517, 67115, 92380, 129034, 134230, 258068, 268460, 322585, 645170, 1290340, 2000027, 4000054, 8000108, 10000135, 20000270, 40000540]

約数ペア:

[(1, 40000540), (2, 20000270), (4, 10000135), (5, 8000108), (10, 4000054), (20, 2000027), (31, 1290340), (62, 645170), (124, 322585), (149, 268460), (155, 258068), (298, 134230), (310, 129034), (433, 92380), (596, 67115), (620, 64517), (745, 53692), (866, 46190), (1490, 26846), (1732, 23095), (2165, 18476), (2980, 13423), (4330, 9238), (4619, 8660)]