39403480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 93772800

約数和(自身を除く): 54369320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 739, 860, 1240, 1333, 1478, 1720, 2666, 2956, 3695, 5332, 5912, 6665, 7390, 10664, 13330, 14780, 22909, 26660, 29560, 31777, 45818, 53320, 63554, 91636, 114545, 127108, 158885, 183272, 229090, 254216, 317770, 458180, 635540, 916360, 985087, 1271080, 1970174, 3940348, 4925435, 7880696, 9850870, 19701740, 39403480]

約数ペア:

[(1, 39403480), (2, 19701740), (4, 9850870), (5, 7880696), (8, 4925435), (10, 3940348), (20, 1970174), (31, 1271080), (40, 985087), (43, 916360), (62, 635540), (86, 458180), (124, 317770), (155, 254216), (172, 229090), (215, 183272), (248, 158885), (310, 127108), (344, 114545), (430, 91636), (620, 63554), (739, 53320), (860, 45818), (1240, 31777), (1333, 29560), (1478, 26660), (1720, 22909), (2666, 14780), (2956, 13330), (3695, 10664), (5332, 7390), (5912, 6665)]