1640667050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{5639}}^1$

素因数の和:5708

約数の個数: 72

約数和(自身を含む): 3480714720

約数和(自身を除く): 1840047670

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 230, 253, 275, 506, 529, 550, 575, 1058, 1150, 1265, 2530, 2645, 5290, 5639, 5819, 6325, 11278, 11638, 12650, 13225, 26450, 28195, 29095, 56390, 58190, 62029, 124058, 129697, 140975, 145475, 259394, 281950, 290950, 310145, 620290, 648485, 1296970, 1426667, 1550725, 2853334, 2983031, 3101450, 3242425, 5966062, 6484850, 7133335, 14266670, 14915155, 29830310, 32813341, 35666675, 65626682, 71333350, 74575775, 149151550, 164066705, 328133410, 820333525, 1640667050]

約数ペア:

[(1, 1640667050), (2, 820333525), (5, 328133410), (10, 164066705), (11, 149151550), (22, 74575775), (23, 71333350), (25, 65626682), (46, 35666675), (50, 32813341), (55, 29830310), (110, 14915155), (115, 14266670), (230, 7133335), (253, 6484850), (275, 5966062), (506, 3242425), (529, 3101450), (550, 2983031), (575, 2853334), (1058, 1550725), (1150, 1426667), (1265, 1296970), (2530, 648485), (2645, 620290), (5290, 310145), (5639, 290950), (5819, 281950), (6325, 259394), (11278, 145475), (11638, 140975), (12650, 129697), (13225, 124058), (26450, 62029), (28195, 58190), (29095, 56390)]