201188804920

素因数分解:

$2^3\times 5^1\times {\mathrm{4021}}^1\times {\mathrm{1250863}}^1$

素因数の和:1254895

約数の個数: 32

約数和(自身を含む): 452787750720

約数和(自身を除く): 251598945800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4021, 8042, 16084, 20105, 32168, 40210, 80420, 160840, 1250863, 2501726, 5003452, 6254315, 10006904, 12508630, 25017260, 50034520, 5029720123, 10059440246, 20118880492, 25148600615, 40237760984, 50297201230, 100594402460, 201188804920]

約数ペア:

[(1, 201188804920), (2, 100594402460), (4, 50297201230), (5, 40237760984), (8, 25148600615), (10, 20118880492), (20, 10059440246), (40, 5029720123), (4021, 50034520), (8042, 25017260), (16084, 12508630), (20105, 10006904), (32168, 6254315), (40210, 5003452), (80420, 2501726), (160840, 1250863)]