72859720

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5503}}^1$

素因数の和:5845

約数の個数: 32

約数和(自身を含む): 164459520

約数和(自身を除く): 91599800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 5503, 6620, 11006, 13240, 22012, 27515, 44024, 55030, 110060, 220120, 1821493, 3642986, 7285972, 9107465, 14571944, 18214930, 36429860, 72859720]

約数ペア:

[(1, 72859720), (2, 36429860), (4, 18214930), (5, 14571944), (8, 9107465), (10, 7285972), (20, 3642986), (40, 1821493), (331, 220120), (662, 110060), (1324, 55030), (1655, 44024), (2648, 27515), (3310, 22012), (5503, 13240), (6620, 11006)]