64202560

素因数分解:

$2^6\times 5^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1$

素因数の和:971

約数の個数: 56

約数和(自身を含む): 153610056

約数和(自身を除く): 89407496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 313, 320, 626, 641, 1252, 1282, 1565, 2504, 2564, 3130, 3205, 5008, 5128, 6260, 6410, 10016, 10256, 12520, 12820, 20032, 20512, 25040, 25640, 41024, 50080, 51280, 100160, 102560, 200633, 205120, 401266, 802532, 1003165, 1605064, 2006330, 3210128, 4012660, 6420256, 8025320, 12840512, 16050640, 32101280, 64202560]

約数ペア:

[(1, 64202560), (2, 32101280), (4, 16050640), (5, 12840512), (8, 8025320), (10, 6420256), (16, 4012660), (20, 3210128), (32, 2006330), (40, 1605064), (64, 1003165), (80, 802532), (160, 401266), (313, 205120), (320, 200633), (626, 102560), (641, 100160), (1252, 51280), (1282, 50080), (1565, 41024), (2504, 25640), (2564, 25040), (3130, 20512), (3205, 20032), (5008, 12820), (5128, 12520), (6260, 10256), (6410, 10016)]