201471920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193723}}^1$

素因数の和:193749

約数の個数: 40

約数和(自身を含む): 504457296

約数和(自身を除く): 302985376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 193723, 387446, 774892, 968615, 1549784, 1937230, 2518399, 3099568, 3874460, 5036798, 7748920, 10073596, 12591995, 15497840, 20147192, 25183990, 40294384, 50367980, 100735960, 201471920]

約数ペア:

[(1, 201471920), (2, 100735960), (4, 50367980), (5, 40294384), (8, 25183990), (10, 20147192), (13, 15497840), (16, 12591995), (20, 10073596), (26, 7748920), (40, 5036798), (52, 3874460), (65, 3099568), (80, 2518399), (104, 1937230), (130, 1549784), (208, 968615), (260, 774892), (520, 387446), (1040, 193723)]