140840440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8737}}^1$

素因数の和:8792

約数の個数: 64

約数和(自身を含む): 352316160

約数和(自身を除く): 211475720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 8737, 16120, 17474, 34948, 43685, 69896, 87370, 113581, 174740, 227162, 270847, 349480, 454324, 541694, 567905, 908648, 1083388, 1135810, 1354235, 2166776, 2271620, 2708470, 3521011, 4543240, 5416940, 7042022, 10833880, 14084044, 17605055, 28168088, 35210110, 70420220, 140840440]

約数ペア:

[(1, 140840440), (2, 70420220), (4, 35210110), (5, 28168088), (8, 17605055), (10, 14084044), (13, 10833880), (20, 7042022), (26, 5416940), (31, 4543240), (40, 3521011), (52, 2708470), (62, 2271620), (65, 2166776), (104, 1354235), (124, 1135810), (130, 1083388), (155, 908648), (248, 567905), (260, 541694), (310, 454324), (403, 349480), (520, 270847), (620, 227162), (806, 174740), (1240, 113581), (1612, 87370), (2015, 69896), (3224, 43685), (4030, 34948), (8060, 17474), (8737, 16120)]