203669878520

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{7943443}}^1$

素因数の和:7944095

約数の個数: 32

約数和(自身を含む): 458972194320

約数和(自身を除く): 255302315800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 7943443, 15886886, 31773772, 39717215, 63547544, 79434430, 158868860, 317737720, 5091746963, 10183493926, 20366987852, 25458734815, 40733975704, 50917469630, 101834939260, 203669878520]

約数ペア:

[(1, 203669878520), (2, 101834939260), (4, 50917469630), (5, 40733975704), (8, 25458734815), (10, 20366987852), (20, 10183493926), (40, 5091746963), (641, 317737720), (1282, 158868860), (2564, 79434430), (3205, 63547544), (5128, 39717215), (6410, 31773772), (12820, 15886886), (25640, 7943443)]