8213120

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 20177640

約数和(自身を除く): 11964520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 313, 320, 328, 410, 626, 640, 656, 820, 1252, 1312, 1565, 1640, 2504, 2624, 3130, 3280, 5008, 5248, 6260, 6560, 10016, 12520, 12833, 13120, 20032, 25040, 25666, 26240, 40064, 50080, 51332, 64165, 100160, 102664, 128330, 200320, 205328, 256660, 410656, 513320, 821312, 1026640, 1642624, 2053280, 4106560, 8213120]

約数ペア:

[(1, 8213120), (2, 4106560), (4, 2053280), (5, 1642624), (8, 1026640), (10, 821312), (16, 513320), (20, 410656), (32, 256660), (40, 205328), (41, 200320), (64, 128330), (80, 102664), (82, 100160), (128, 64165), (160, 51332), (164, 50080), (205, 40064), (313, 26240), (320, 25666), (328, 25040), (410, 20032), (626, 13120), (640, 12833), (656, 12520), (820, 10016), (1252, 6560), (1312, 6260), (1565, 5248), (1640, 5008), (2504, 3280), (2624, 3130)]