385649720

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{24043}}^1$

素因数の和:24455

約数の個数: 32

約数和(自身を含む): 869911920

約数和(自身を除く): 484262200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 24043, 48086, 96172, 120215, 192344, 240430, 480860, 961720, 9641243, 19282486, 38564972, 48206215, 77129944, 96412430, 192824860, 385649720]

約数ペア:

[(1, 385649720), (2, 192824860), (4, 96412430), (5, 77129944), (8, 48206215), (10, 38564972), (20, 19282486), (40, 9641243), (401, 961720), (802, 480860), (1604, 240430), (2005, 192344), (3208, 120215), (4010, 96172), (8020, 48086), (16040, 24043)]