65872720

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3061}}^1$

素因数の和:3343

約数の個数: 40

約数和(自身を含む): 153773640

約数和(自身を除く): 87900920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 3061, 4304, 5380, 6122, 10760, 12244, 15305, 21520, 24488, 30610, 48976, 61220, 122440, 244880, 823409, 1646818, 3293636, 4117045, 6587272, 8234090, 13174544, 16468180, 32936360, 65872720]

約数ペア:

[(1, 65872720), (2, 32936360), (4, 16468180), (5, 13174544), (8, 8234090), (10, 6587272), (16, 4117045), (20, 3293636), (40, 1646818), (80, 823409), (269, 244880), (538, 122440), (1076, 61220), (1345, 48976), (2152, 30610), (2690, 24488), (3061, 21520), (4304, 15305), (5380, 12244), (6122, 10760)]