16394820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21019}}^1$

素因数の和:21044

約数の個数: 48

約数和(自身を含む): 49439040

約数和(自身を除く): 33044220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21019, 42038, 63057, 84076, 105095, 126114, 210190, 252228, 273247, 315285, 420380, 546494, 630570, 819741, 1092988, 1261140, 1366235, 1639482, 2732470, 3278964, 4098705, 5464940, 8197410, 16394820]

約数ペア:

[(1, 16394820), (2, 8197410), (3, 5464940), (4, 4098705), (5, 3278964), (6, 2732470), (10, 1639482), (12, 1366235), (13, 1261140), (15, 1092988), (20, 819741), (26, 630570), (30, 546494), (39, 420380), (52, 315285), (60, 273247), (65, 252228), (78, 210190), (130, 126114), (156, 105095), (195, 84076), (260, 63057), (390, 42038), (780, 21019)]