201216280

素因数分解:

$2^3\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{2663}}^1$

素因数の和:4563

約数の個数: 32

約数和(自身を含む): 453146400

約数和(自身を除く): 251930120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1889, 2663, 3778, 5326, 7556, 9445, 10652, 13315, 15112, 18890, 21304, 26630, 37780, 53260, 75560, 106520, 5030407, 10060814, 20121628, 25152035, 40243256, 50304070, 100608140, 201216280]

約数ペア:

[(1, 201216280), (2, 100608140), (4, 50304070), (5, 40243256), (8, 25152035), (10, 20121628), (20, 10060814), (40, 5030407), (1889, 106520), (2663, 75560), (3778, 53260), (5326, 37780), (7556, 26630), (9445, 21304), (10652, 18890), (13315, 15112)]