78391820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13109}}^1$

素因数の和:13154

約数の個数: 48

約数和(自身を含む): 185008320

約数和(自身を除く): 106616500

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 13109, 26218, 52436, 65545, 131090, 170417, 262180, 301507, 340834, 603014, 681668, 852085, 1206028, 1507535, 1704170, 3015070, 3408340, 3919591, 6030140, 7839182, 15678364, 19597955, 39195910, 78391820]

約数ペア:

[(1, 78391820), (2, 39195910), (4, 19597955), (5, 15678364), (10, 7839182), (13, 6030140), (20, 3919591), (23, 3408340), (26, 3015070), (46, 1704170), (52, 1507535), (65, 1206028), (92, 852085), (115, 681668), (130, 603014), (230, 340834), (260, 301507), (299, 262180), (460, 170417), (598, 131090), (1196, 65545), (1495, 52436), (2990, 26218), (5980, 13109)]