23505220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 52662960

約数和(自身を除く): 29157740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 269, 340, 514, 538, 1028, 1076, 1285, 1345, 2570, 2690, 4369, 4573, 5140, 5380, 8738, 9146, 17476, 18292, 21845, 22865, 43690, 45730, 69133, 87380, 91460, 138266, 276532, 345665, 691330, 1175261, 1382660, 2350522, 4701044, 5876305, 11752610, 23505220]

約数ペア:

[(1, 23505220), (2, 11752610), (4, 5876305), (5, 4701044), (10, 2350522), (17, 1382660), (20, 1175261), (34, 691330), (68, 345665), (85, 276532), (170, 138266), (257, 91460), (269, 87380), (340, 69133), (514, 45730), (538, 43690), (1028, 22865), (1076, 21845), (1285, 18292), (1345, 17476), (2570, 9146), (2690, 8738), (4369, 5380), (4573, 5140)]