40385060

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 87024000

約数和(自身を除く): 46638940

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 199, 278, 292, 365, 398, 556, 695, 730, 796, 995, 1390, 1460, 1990, 2780, 3980, 10147, 14527, 20294, 27661, 29054, 40588, 50735, 55322, 58108, 72635, 101470, 110644, 138305, 145270, 202940, 276610, 290540, 553220, 2019253, 4038506, 8077012, 10096265, 20192530, 40385060]

約数ペア:

[(1, 40385060), (2, 20192530), (4, 10096265), (5, 8077012), (10, 4038506), (20, 2019253), (73, 553220), (139, 290540), (146, 276610), (199, 202940), (278, 145270), (292, 138305), (365, 110644), (398, 101470), (556, 72635), (695, 58108), (730, 55322), (796, 50735), (995, 40588), (1390, 29054), (1460, 27661), (1990, 20294), (2780, 14527), (3980, 10147)]