13172120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 32447520

約数和(自身を除く): 19275400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 347, 365, 520, 584, 694, 730, 949, 1388, 1460, 1735, 1898, 2776, 2920, 3470, 3796, 4511, 4745, 6940, 7592, 9022, 9490, 13880, 18044, 18980, 22555, 25331, 36088, 37960, 45110, 50662, 90220, 101324, 126655, 180440, 202648, 253310, 329303, 506620, 658606, 1013240, 1317212, 1646515, 2634424, 3293030, 6586060, 13172120]

約数ペア:

[(1, 13172120), (2, 6586060), (4, 3293030), (5, 2634424), (8, 1646515), (10, 1317212), (13, 1013240), (20, 658606), (26, 506620), (40, 329303), (52, 253310), (65, 202648), (73, 180440), (104, 126655), (130, 101324), (146, 90220), (260, 50662), (292, 45110), (347, 37960), (365, 36088), (520, 25331), (584, 22555), (694, 18980), (730, 18044), (949, 13880), (1388, 9490), (1460, 9022), (1735, 7592), (1898, 6940), (2776, 4745), (2920, 4511), (3470, 3796)]