2026189840

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 4764110256

約数和(自身を除く): 2737920416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 281, 346, 521, 562, 692, 865, 1042, 1124, 1384, 1405, 1730, 2084, 2248, 2605, 2768, 2810, 3460, 4168, 4496, 5210, 5620, 6920, 8336, 10420, 11240, 13840, 20840, 22480, 41680, 48613, 90133, 97226, 146401, 180266, 194452, 243065, 292802, 360532, 388904, 450665, 486130, 585604, 721064, 732005, 777808, 901330, 972260, 1171208, 1442128, 1464010, 1802660, 1944520, 2342416, 2928020, 3605320, 3889040, 5856040, 7210640, 11712080, 25327373, 50654746, 101309492, 126636865, 202618984, 253273730, 405237968, 506547460, 1013094920, 2026189840]

約数ペア:

[(1, 2026189840), (2, 1013094920), (4, 506547460), (5, 405237968), (8, 253273730), (10, 202618984), (16, 126636865), (20, 101309492), (40, 50654746), (80, 25327373), (173, 11712080), (281, 7210640), (346, 5856040), (521, 3889040), (562, 3605320), (692, 2928020), (865, 2342416), (1042, 1944520), (1124, 1802660), (1384, 1464010), (1405, 1442128), (1730, 1171208), (2084, 972260), (2248, 901330), (2605, 777808), (2768, 732005), (2810, 721064), (3460, 585604), (4168, 486130), (4496, 450665), (5210, 388904), (5620, 360532), (6920, 292802), (8336, 243065), (10420, 194452), (11240, 180266), (13840, 146401), (20840, 97226), (22480, 90133), (41680, 48613)]