210968720

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{25603}}^1$

素因数の和:25719

約数の個数: 40

約数和(自身を含む): 495283776

約数和(自身を除く): 284315056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 25603, 51206, 102412, 128015, 204824, 256030, 409648, 512060, 1024120, 2048240, 2637109, 5274218, 10548436, 13185545, 21096872, 26371090, 42193744, 52742180, 105484360, 210968720]

約数ペア:

[(1, 210968720), (2, 105484360), (4, 52742180), (5, 42193744), (8, 26371090), (10, 21096872), (16, 13185545), (20, 10548436), (40, 5274218), (80, 2637109), (103, 2048240), (206, 1024120), (412, 512060), (515, 409648), (824, 256030), (1030, 204824), (1648, 128015), (2060, 102412), (4120, 51206), (8240, 25603)]