26887980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64019}}^1$

素因数の和:64038

約数の個数: 48

約数和(自身を含む): 86042880

約数和(自身を除く): 59154900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 64019, 128038, 192057, 256076, 320095, 384114, 448133, 640190, 768228, 896266, 960285, 1280380, 1344399, 1792532, 1920570, 2240665, 2688798, 3841140, 4481330, 5377596, 6721995, 8962660, 13443990, 26887980]

約数ペア:

[(1, 26887980), (2, 13443990), (3, 8962660), (4, 6721995), (5, 5377596), (6, 4481330), (7, 3841140), (10, 2688798), (12, 2240665), (14, 1920570), (15, 1792532), (20, 1344399), (21, 1280380), (28, 960285), (30, 896266), (35, 768228), (42, 640190), (60, 448133), (70, 384114), (84, 320095), (105, 256076), (140, 192057), (210, 128038), (420, 64019)]