1994700280

素因数分解:

$2^3\times 5^1\times {\mathrm{3203}}^1\times {\mathrm{15569}}^1$

素因数の和:18783

約数の個数: 32

約数和(自身を含む): 4489765200

約数和(自身を除く): 2495064920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3203, 6406, 12812, 15569, 16015, 25624, 31138, 32030, 62276, 64060, 77845, 124552, 128120, 155690, 311380, 622760, 49867507, 99735014, 199470028, 249337535, 398940056, 498675070, 997350140, 1994700280]

約数ペア:

[(1, 1994700280), (2, 997350140), (4, 498675070), (5, 398940056), (8, 249337535), (10, 199470028), (20, 99735014), (40, 49867507), (3203, 622760), (6406, 311380), (12812, 155690), (15569, 128120), (16015, 124552), (25624, 77845), (31138, 64060), (32030, 62276)]