39893360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 101243520

約数和(自身を除く): 61350160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 431, 445, 520, 712, 862, 890, 1040, 1157, 1424, 1724, 1780, 2155, 2314, 3448, 3560, 4310, 4628, 5603, 5785, 6896, 7120, 8620, 9256, 11206, 11570, 17240, 18512, 22412, 23140, 28015, 34480, 38359, 44824, 46280, 56030, 76718, 89648, 92560, 112060, 153436, 191795, 224120, 306872, 383590, 448240, 498667, 613744, 767180, 997334, 1534360, 1994668, 2493335, 3068720, 3989336, 4986670, 7978672, 9973340, 19946680, 39893360]

約数ペア:

[(1, 39893360), (2, 19946680), (4, 9973340), (5, 7978672), (8, 4986670), (10, 3989336), (13, 3068720), (16, 2493335), (20, 1994668), (26, 1534360), (40, 997334), (52, 767180), (65, 613744), (80, 498667), (89, 448240), (104, 383590), (130, 306872), (178, 224120), (208, 191795), (260, 153436), (356, 112060), (431, 92560), (445, 89648), (520, 76718), (712, 56030), (862, 46280), (890, 44824), (1040, 38359), (1157, 34480), (1424, 28015), (1724, 23140), (1780, 22412), (2155, 18512), (2314, 17240), (3448, 11570), (3560, 11206), (4310, 9256), (4628, 8620), (5603, 7120), (5785, 6896)]