19964100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5119}}^1$

素因数の和:5149

約数の個数: 72

約数和(自身を含む): 62218240

約数和(自身を除く): 42254140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 5119, 10238, 15357, 20476, 25595, 30714, 51190, 61428, 66547, 76785, 102380, 127975, 133094, 153570, 199641, 255950, 266188, 307140, 332735, 383925, 399282, 511900, 665470, 767850, 798564, 998205, 1330940, 1535700, 1663675, 1996410, 3327350, 3992820, 4991025, 6654700, 9982050, 19964100]

約数ペア:

[(1, 19964100), (2, 9982050), (3, 6654700), (4, 4991025), (5, 3992820), (6, 3327350), (10, 1996410), (12, 1663675), (13, 1535700), (15, 1330940), (20, 998205), (25, 798564), (26, 767850), (30, 665470), (39, 511900), (50, 399282), (52, 383925), (60, 332735), (65, 307140), (75, 266188), (78, 255950), (100, 199641), (130, 153570), (150, 133094), (156, 127975), (195, 102380), (260, 76785), (300, 66547), (325, 61428), (390, 51190), (650, 30714), (780, 25595), (975, 20476), (1300, 15357), (1950, 10238), (3900, 5119)]