8199880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1213}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 19994580

約数和(自身を除く): 11794700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1213, 1352, 1690, 2426, 3380, 4852, 6065, 6760, 9704, 12130, 15769, 24260, 31538, 48520, 63076, 78845, 126152, 157690, 204997, 315380, 409994, 630760, 819988, 1024985, 1639976, 2049970, 4099940, 8199880]

約数ペア:

[(1, 8199880), (2, 4099940), (4, 2049970), (5, 1639976), (8, 1024985), (10, 819988), (13, 630760), (20, 409994), (26, 315380), (40, 204997), (52, 157690), (65, 126152), (104, 78845), (130, 63076), (169, 48520), (260, 31538), (338, 24260), (520, 15769), (676, 12130), (845, 9704), (1213, 6760), (1352, 6065), (1690, 4852), (2426, 3380)]