26996840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 65998800

約数和(自身を除く): 39001960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 260, 269, 386, 520, 538, 772, 965, 1076, 1345, 1544, 1930, 2152, 2509, 2690, 3497, 3860, 5018, 5380, 6994, 7720, 10036, 10760, 12545, 13988, 17485, 20072, 25090, 27976, 34970, 50180, 51917, 69940, 100360, 103834, 139880, 207668, 259585, 415336, 519170, 674921, 1038340, 1349842, 2076680, 2699684, 3374605, 5399368, 6749210, 13498420, 26996840]

約数ペア:

[(1, 26996840), (2, 13498420), (4, 6749210), (5, 5399368), (8, 3374605), (10, 2699684), (13, 2076680), (20, 1349842), (26, 1038340), (40, 674921), (52, 519170), (65, 415336), (104, 259585), (130, 207668), (193, 139880), (260, 103834), (269, 100360), (386, 69940), (520, 51917), (538, 50180), (772, 34970), (965, 27976), (1076, 25090), (1345, 20072), (1544, 17485), (1930, 13988), (2152, 12545), (2509, 10760), (2690, 10036), (3497, 7720), (3860, 6994), (5018, 5380)]