19881690520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5988461}}^1$

素因数の和:5988555

約数の個数: 32

約数和(自身を含む): 45272772720

約数和(自身を除く): 25391082200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5988461, 11976922, 23953844, 29942305, 47907688, 59884610, 119769220, 239538440, 497042263, 994084526, 1988169052, 2485211315, 3976338104, 4970422630, 9940845260, 19881690520]

約数ペア:

[(1, 19881690520), (2, 9940845260), (4, 4970422630), (5, 3976338104), (8, 2485211315), (10, 1988169052), (20, 994084526), (40, 497042263), (83, 239538440), (166, 119769220), (332, 59884610), (415, 47907688), (664, 29942305), (830, 23953844), (1660, 11976922), (3320, 5988461)]