201951280

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{4421}}^1$

素因数の和:5005

約数の個数: 40

約数和(自身を含む): 470465424

約数和(自身を除く): 268514144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 2284, 2855, 4421, 4568, 5710, 8842, 9136, 11420, 17684, 22105, 22840, 35368, 44210, 45680, 70736, 88420, 176840, 353680, 2524391, 5048782, 10097564, 12621955, 20195128, 25243910, 40390256, 50487820, 100975640, 201951280]

約数ペア:

[(1, 201951280), (2, 100975640), (4, 50487820), (5, 40390256), (8, 25243910), (10, 20195128), (16, 12621955), (20, 10097564), (40, 5048782), (80, 2524391), (571, 353680), (1142, 176840), (2284, 88420), (2855, 70736), (4421, 45680), (4568, 44210), (5710, 35368), (8842, 22840), (9136, 22105), (11420, 17684)]