3638440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6997}}^1$

素因数の和:7021

約数の個数: 32

約数和(自身を含む): 8817480

約数和(自身を除く): 5179040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 6997, 13994, 27988, 34985, 55976, 69970, 90961, 139940, 181922, 279880, 363844, 454805, 727688, 909610, 1819220, 3638440]

約数ペア:

[(1, 3638440), (2, 1819220), (4, 909610), (5, 727688), (8, 454805), (10, 363844), (13, 279880), (20, 181922), (26, 139940), (40, 90961), (52, 69970), (65, 55976), (104, 34985), (130, 27988), (260, 13994), (520, 6997)]