51270440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98597}}^1$

素因数の和:98621

約数の個数: 32

約数和(自身を含む): 124233480

約数和(自身を除く): 72963040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98597, 197194, 394388, 492985, 788776, 985970, 1281761, 1971940, 2563522, 3943880, 5127044, 6408805, 10254088, 12817610, 25635220, 51270440]

約数ペア:

[(1, 51270440), (2, 25635220), (4, 12817610), (5, 10254088), (8, 6408805), (10, 5127044), (13, 3943880), (20, 2563522), (26, 1971940), (40, 1281761), (52, 985970), (65, 788776), (104, 492985), (130, 394388), (260, 197194), (520, 98597)]