260513020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{1373}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 560921760

約数和(自身を除く): 300408740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 179, 212, 265, 358, 530, 716, 895, 1060, 1373, 1790, 2746, 3580, 5492, 6865, 9487, 13730, 18974, 27460, 37948, 47435, 72769, 94870, 145538, 189740, 245767, 291076, 363845, 491534, 727690, 983068, 1228835, 1455380, 2457670, 4915340, 13025651, 26051302, 52102604, 65128255, 130256510, 260513020]

約数ペア:

[(1, 260513020), (2, 130256510), (4, 65128255), (5, 52102604), (10, 26051302), (20, 13025651), (53, 4915340), (106, 2457670), (179, 1455380), (212, 1228835), (265, 983068), (358, 727690), (530, 491534), (716, 363845), (895, 291076), (1060, 245767), (1373, 189740), (1790, 145538), (2746, 94870), (3580, 72769), (5492, 47435), (6865, 37948), (9487, 27460), (13730, 18974)]