201243920

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{4421}}^1$

素因数の和:5003

約数の個数: 40

約数和(自身を含む): 468820440

約数和(自身を除く): 267576520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 2276, 2845, 4421, 4552, 5690, 8842, 9104, 11380, 17684, 22105, 22760, 35368, 44210, 45520, 70736, 88420, 176840, 353680, 2515549, 5031098, 10062196, 12577745, 20124392, 25155490, 40248784, 50310980, 100621960, 201243920]

約数ペア:

[(1, 201243920), (2, 100621960), (4, 50310980), (5, 40248784), (8, 25155490), (10, 20124392), (16, 12577745), (20, 10062196), (40, 5031098), (80, 2515549), (569, 353680), (1138, 176840), (2276, 88420), (2845, 70736), (4421, 45520), (4552, 44210), (5690, 35368), (8842, 22760), (9104, 22105), (11380, 17684)]