1556553980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{10223}}^1$

素因数の和:10586

約数の個数: 48

約数和(自身を含む): 3421522944

約数和(自身を除く): 1864968964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 331, 460, 662, 1324, 1655, 3310, 6620, 7613, 10223, 15226, 20446, 30452, 38065, 40892, 51115, 76130, 102230, 152260, 204460, 235129, 470258, 940516, 1175645, 2351290, 3383813, 4702580, 6767626, 13535252, 16919065, 33838130, 67676260, 77827699, 155655398, 311310796, 389138495, 778276990, 1556553980]

約数ペア:

[(1, 1556553980), (2, 778276990), (4, 389138495), (5, 311310796), (10, 155655398), (20, 77827699), (23, 67676260), (46, 33838130), (92, 16919065), (115, 13535252), (230, 6767626), (331, 4702580), (460, 3383813), (662, 2351290), (1324, 1175645), (1655, 940516), (3310, 470258), (6620, 235129), (7613, 204460), (10223, 152260), (15226, 102230), (20446, 76130), (30452, 51115), (38065, 40892)]