6498440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12497}}^1$

素因数の和:12521

約数の個数: 32

約数和(自身を含む): 15747480

約数和(自身を除く): 9249040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 12497, 24994, 49988, 62485, 99976, 124970, 162461, 249940, 324922, 499880, 649844, 812305, 1299688, 1624610, 3249220, 6498440]

約数ペア:

[(1, 6498440), (2, 3249220), (4, 1624610), (5, 1299688), (8, 812305), (10, 649844), (13, 499880), (20, 324922), (26, 249940), (40, 162461), (52, 124970), (65, 99976), (104, 62485), (130, 49988), (260, 24994), (520, 12497)]