205560500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{7757}}^1$

素因数の和:7829

約数の個数: 48

約数和(自身を含む): 457473744

約数和(自身を除く): 251913244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 1060, 1325, 2650, 5300, 6625, 7757, 13250, 15514, 26500, 31028, 38785, 77570, 155140, 193925, 387850, 411121, 775700, 822242, 969625, 1644484, 1939250, 2055605, 3878500, 4111210, 8222420, 10278025, 20556050, 41112100, 51390125, 102780250, 205560500]

約数ペア:

[(1, 205560500), (2, 102780250), (4, 51390125), (5, 41112100), (10, 20556050), (20, 10278025), (25, 8222420), (50, 4111210), (53, 3878500), (100, 2055605), (106, 1939250), (125, 1644484), (212, 969625), (250, 822242), (265, 775700), (500, 411121), (530, 387850), (1060, 193925), (1325, 155140), (2650, 77570), (5300, 38785), (6625, 31028), (7757, 26500), (13250, 15514)]