28854800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 77495040

約数和(自身を除く): 48640240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 179, 200, 208, 248, 260, 310, 325, 358, 400, 403, 496, 520, 620, 650, 716, 775, 806, 895, 1040, 1240, 1300, 1432, 1550, 1612, 1790, 2015, 2327, 2480, 2600, 2864, 3100, 3224, 3580, 4030, 4475, 4654, 5200, 5549, 6200, 6448, 7160, 8060, 8950, 9308, 10075, 11098, 11635, 12400, 14320, 16120, 17900, 18616, 20150, 22196, 23270, 27745, 32240, 35800, 37232, 40300, 44392, 46540, 55490, 58175, 71600, 72137, 80600, 88784, 93080, 110980, 116350, 138725, 144274, 161200, 186160, 221960, 232700, 277450, 288548, 360685, 443920, 465400, 554900, 577096, 721370, 930800, 1109800, 1154192, 1442740, 1803425, 2219600, 2885480, 3606850, 5770960, 7213700, 14427400, 28854800]

約数ペア:

[(1, 28854800), (2, 14427400), (4, 7213700), (5, 5770960), (8, 3606850), (10, 2885480), (13, 2219600), (16, 1803425), (20, 1442740), (25, 1154192), (26, 1109800), (31, 930800), (40, 721370), (50, 577096), (52, 554900), (62, 465400), (65, 443920), (80, 360685), (100, 288548), (104, 277450), (124, 232700), (130, 221960), (155, 186160), (179, 161200), (200, 144274), (208, 138725), (248, 116350), (260, 110980), (310, 93080), (325, 88784), (358, 80600), (400, 72137), (403, 71600), (496, 58175), (520, 55490), (620, 46540), (650, 44392), (716, 40300), (775, 37232), (806, 35800), (895, 32240), (1040, 27745), (1240, 23270), (1300, 22196), (1432, 20150), (1550, 18616), (1612, 17900), (1790, 16120), (2015, 14320), (2327, 12400), (2480, 11635), (2600, 11098), (2864, 10075), (3100, 9308), (3224, 8950), (3580, 8060), (4030, 7160), (4475, 6448), (4654, 6200), (5200, 5549)]