64839970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26251}}^1$

素因数の和:26290

約数の個数: 32

約数和(自身を含む): 132310080

約数和(自身を除く): 67470110

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 26251, 52502, 131255, 262510, 341263, 498769, 682526, 997538, 1706315, 2493845, 3412630, 4987690, 6483997, 12967994, 32419985, 64839970]

約数ペア:

[(1, 64839970), (2, 32419985), (5, 12967994), (10, 6483997), (13, 4987690), (19, 3412630), (26, 2493845), (38, 1706315), (65, 997538), (95, 682526), (130, 498769), (190, 341263), (247, 262510), (494, 131255), (1235, 52502), (2470, 26251)]