42468020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1861}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 102603648

約数和(自身を除く): 60135628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 1861, 2282, 3260, 3722, 4564, 5705, 7444, 9305, 11410, 13027, 18610, 22820, 26054, 37220, 52108, 65135, 130270, 260540, 303343, 606686, 1213372, 1516715, 2123401, 3033430, 4246802, 6066860, 8493604, 10617005, 21234010, 42468020]

約数ペア:

[(1, 42468020), (2, 21234010), (4, 10617005), (5, 8493604), (7, 6066860), (10, 4246802), (14, 3033430), (20, 2123401), (28, 1516715), (35, 1213372), (70, 606686), (140, 303343), (163, 260540), (326, 130270), (652, 65135), (815, 52108), (1141, 37220), (1630, 26054), (1861, 22820), (2282, 18610), (3260, 13027), (3722, 11410), (4564, 9305), (5705, 7444)]