31504591880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19210117}}^1$

素因数の和:19210169

約数の個数: 32

約数和(自身を含む): 72614246040

約数和(自身を除く): 41109654160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 19210117, 38420234, 76840468, 96050585, 153680936, 192101170, 384202340, 768404680, 787614797, 1575229594, 3150459188, 3938073985, 6300918376, 7876147970, 15752295940, 31504591880]

約数ペア:

[(1, 31504591880), (2, 15752295940), (4, 7876147970), (5, 6300918376), (8, 3938073985), (10, 3150459188), (20, 1575229594), (40, 787614797), (41, 768404680), (82, 384202340), (164, 192101170), (205, 153680936), (328, 96050585), (410, 76840468), (820, 38420234), (1640, 19210117)]