51130040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98327}}^1$

素因数の和:98351

約数の個数: 32

約数和(自身を含む): 123893280

約数和(自身を除く): 72763240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98327, 196654, 393308, 491635, 786616, 983270, 1278251, 1966540, 2556502, 3933080, 5113004, 6391255, 10226008, 12782510, 25565020, 51130040]

約数ペア:

[(1, 51130040), (2, 25565020), (4, 12782510), (5, 10226008), (8, 6391255), (10, 5113004), (13, 3933080), (20, 2556502), (26, 1966540), (40, 1278251), (52, 983270), (65, 786616), (104, 491635), (130, 393308), (260, 196654), (520, 98327)]