901316120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{12781}}^1$

素因数の和:12876

約数の個数: 64

約数和(自身を含む): 2125902240

約数和(自身を除く): 1224586120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 3526, 7052, 8815, 12781, 14104, 17630, 25562, 35260, 51124, 63905, 70520, 102248, 127810, 255620, 511240, 524021, 549583, 1048042, 1099166, 2096084, 2198332, 2620105, 2747915, 4192168, 4396664, 5240210, 5495830, 10480420, 10991660, 20960840, 21983320, 22532903, 45065806, 90131612, 112664515, 180263224, 225329030, 450658060, 901316120]

約数ペア:

[(1, 901316120), (2, 450658060), (4, 225329030), (5, 180263224), (8, 112664515), (10, 90131612), (20, 45065806), (40, 22532903), (41, 21983320), (43, 20960840), (82, 10991660), (86, 10480420), (164, 5495830), (172, 5240210), (205, 4396664), (215, 4192168), (328, 2747915), (344, 2620105), (410, 2198332), (430, 2096084), (820, 1099166), (860, 1048042), (1640, 549583), (1720, 524021), (1763, 511240), (3526, 255620), (7052, 127810), (8815, 102248), (12781, 70520), (14104, 63905), (17630, 51124), (25562, 35260)]