2018402080

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{75539}}^1$

素因数の和:75721

約数の個数: 48

約数和(自身を含む): 4797092160

約数和(自身を除く): 2778690080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 5344, 6680, 13360, 26720, 75539, 151078, 302156, 377695, 604312, 755390, 1208624, 1510780, 2417248, 3021560, 6043120, 12086240, 12615013, 25230026, 50460052, 63075065, 100920104, 126150130, 201840208, 252300260, 403680416, 504600520, 1009201040, 2018402080]

約数ペア:

[(1, 2018402080), (2, 1009201040), (4, 504600520), (5, 403680416), (8, 252300260), (10, 201840208), (16, 126150130), (20, 100920104), (32, 63075065), (40, 50460052), (80, 25230026), (160, 12615013), (167, 12086240), (334, 6043120), (668, 3021560), (835, 2417248), (1336, 1510780), (1670, 1208624), (2672, 755390), (3340, 604312), (5344, 377695), (6680, 302156), (13360, 151078), (26720, 75539)]