10380980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 22665216

約数和(自身を除く): 12284236

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 127, 134, 244, 254, 268, 305, 335, 508, 610, 635, 670, 1220, 1270, 1340, 2540, 4087, 7747, 8174, 8509, 15494, 16348, 17018, 20435, 30988, 34036, 38735, 40870, 42545, 77470, 81740, 85090, 154940, 170180, 519049, 1038098, 2076196, 2595245, 5190490, 10380980]

約数ペア:

[(1, 10380980), (2, 5190490), (4, 2595245), (5, 2076196), (10, 1038098), (20, 519049), (61, 170180), (67, 154940), (122, 85090), (127, 81740), (134, 77470), (244, 42545), (254, 40870), (268, 38735), (305, 34036), (335, 30988), (508, 20435), (610, 17018), (635, 16348), (670, 15494), (1220, 8509), (1270, 8174), (1340, 7747), (2540, 4087)]