64953760

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1297}}^1$

素因数の和:1625

約数の個数: 48

約数和(自身を含む): 154062216

約数和(自身を除く): 89108456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 626, 1252, 1297, 1565, 2504, 2594, 3130, 5008, 5188, 6260, 6485, 10016, 10376, 12520, 12970, 20752, 25040, 25940, 41504, 50080, 51880, 103760, 207520, 405961, 811922, 1623844, 2029805, 3247688, 4059610, 6495376, 8119220, 12990752, 16238440, 32476880, 64953760]

約数ペア:

[(1, 64953760), (2, 32476880), (4, 16238440), (5, 12990752), (8, 8119220), (10, 6495376), (16, 4059610), (20, 3247688), (32, 2029805), (40, 1623844), (80, 811922), (160, 405961), (313, 207520), (626, 103760), (1252, 51880), (1297, 50080), (1565, 41504), (2504, 25940), (2594, 25040), (3130, 20752), (5008, 12970), (5188, 12520), (6260, 10376), (6485, 10016)]