104959660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{809}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 238140000

約数和(自身を除く): 133180340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 499, 809, 998, 1618, 1996, 2495, 3236, 4045, 4990, 6487, 8090, 9980, 10517, 12974, 16180, 21034, 25948, 32435, 42068, 52585, 64870, 105170, 129740, 210340, 403691, 807382, 1614764, 2018455, 4036910, 5247983, 8073820, 10495966, 20991932, 26239915, 52479830, 104959660]

約数ペア:

[(1, 104959660), (2, 52479830), (4, 26239915), (5, 20991932), (10, 10495966), (13, 8073820), (20, 5247983), (26, 4036910), (52, 2018455), (65, 1614764), (130, 807382), (260, 403691), (499, 210340), (809, 129740), (998, 105170), (1618, 64870), (1996, 52585), (2495, 42068), (3236, 32435), (4045, 25948), (4990, 21034), (6487, 16180), (8090, 12974), (9980, 10517)]