40389620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{563}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 90393408

約数和(自身を除く): 50003788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 211, 340, 422, 563, 844, 1055, 1126, 2110, 2252, 2815, 3587, 4220, 5630, 7174, 9571, 11260, 14348, 17935, 19142, 35870, 38284, 47855, 71740, 95710, 118793, 191420, 237586, 475172, 593965, 1187930, 2019481, 2375860, 4038962, 8077924, 10097405, 20194810, 40389620]

約数ペア:

[(1, 40389620), (2, 20194810), (4, 10097405), (5, 8077924), (10, 4038962), (17, 2375860), (20, 2019481), (34, 1187930), (68, 593965), (85, 475172), (170, 237586), (211, 191420), (340, 118793), (422, 95710), (563, 71740), (844, 47855), (1055, 38284), (1126, 35870), (2110, 19142), (2252, 17935), (2815, 14348), (3587, 11260), (4220, 9571), (5630, 7174)]