78879880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1033}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 187608960

約数和(自身を除く): 108729080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 184, 230, 332, 415, 460, 664, 830, 920, 1033, 1660, 1909, 2066, 3320, 3818, 4132, 5165, 7636, 8264, 9545, 10330, 15272, 19090, 20660, 23759, 38180, 41320, 47518, 76360, 85739, 95036, 118795, 171478, 190072, 237590, 342956, 428695, 475180, 685912, 857390, 950360, 1714780, 1971997, 3429560, 3943994, 7887988, 9859985, 15775976, 19719970, 39439940, 78879880]

約数ペア:

[(1, 78879880), (2, 39439940), (4, 19719970), (5, 15775976), (8, 9859985), (10, 7887988), (20, 3943994), (23, 3429560), (40, 1971997), (46, 1714780), (83, 950360), (92, 857390), (115, 685912), (166, 475180), (184, 428695), (230, 342956), (332, 237590), (415, 190072), (460, 171478), (664, 118795), (830, 95036), (920, 85739), (1033, 76360), (1660, 47518), (1909, 41320), (2066, 38180), (3320, 23759), (3818, 20660), (4132, 19090), (5165, 15272), (7636, 10330), (8264, 9545)]