39864760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2473}}^1$

素因数の和:2528

約数の個数: 64

約数和(自身を含む): 99751680

約数和(自身を除く): 59886920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 2473, 3224, 4030, 4946, 8060, 9892, 12365, 16120, 19784, 24730, 32149, 49460, 64298, 76663, 98920, 128596, 153326, 160745, 257192, 306652, 321490, 383315, 613304, 642980, 766630, 996619, 1285960, 1533260, 1993238, 3066520, 3986476, 4983095, 7972952, 9966190, 19932380, 39864760]

約数ペア:

[(1, 39864760), (2, 19932380), (4, 9966190), (5, 7972952), (8, 4983095), (10, 3986476), (13, 3066520), (20, 1993238), (26, 1533260), (31, 1285960), (40, 996619), (52, 766630), (62, 642980), (65, 613304), (104, 383315), (124, 321490), (130, 306652), (155, 257192), (248, 160745), (260, 153326), (310, 128596), (403, 98920), (520, 76663), (620, 64298), (806, 49460), (1240, 32149), (1612, 24730), (2015, 19784), (2473, 16120), (3224, 12365), (4030, 9892), (4946, 8060)]