31267420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2243}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 71251488

約数和(自身を除く): 39984068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2243, 2788, 3485, 4486, 6970, 8972, 11215, 13940, 22430, 38131, 44860, 76262, 91963, 152524, 183926, 190655, 367852, 381310, 459815, 762620, 919630, 1563371, 1839260, 3126742, 6253484, 7816855, 15633710, 31267420]

約数ペア:

[(1, 31267420), (2, 15633710), (4, 7816855), (5, 6253484), (10, 3126742), (17, 1839260), (20, 1563371), (34, 919630), (41, 762620), (68, 459815), (82, 381310), (85, 367852), (164, 190655), (170, 183926), (205, 152524), (340, 91963), (410, 76262), (697, 44860), (820, 38131), (1394, 22430), (2243, 13940), (2788, 11215), (3485, 8972), (4486, 6970)]