55531280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1871}}^1$

素因数の和:1944

約数の個数: 80

約数和(自身を含む): 150418944

約数和(自身を除く): 94887664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 1871, 2120, 2968, 3710, 3742, 4240, 5936, 7420, 7484, 9355, 13097, 14840, 14968, 18710, 26194, 29680, 29936, 37420, 52388, 65485, 74840, 99163, 104776, 130970, 149680, 198326, 209552, 261940, 396652, 495815, 523880, 694141, 793304, 991630, 1047760, 1388282, 1586608, 1983260, 2776564, 3470705, 3966520, 5553128, 6941410, 7933040, 11106256, 13882820, 27765640, 55531280]

約数ペア:

[(1, 55531280), (2, 27765640), (4, 13882820), (5, 11106256), (7, 7933040), (8, 6941410), (10, 5553128), (14, 3966520), (16, 3470705), (20, 2776564), (28, 1983260), (35, 1586608), (40, 1388282), (53, 1047760), (56, 991630), (70, 793304), (80, 694141), (106, 523880), (112, 495815), (140, 396652), (212, 261940), (265, 209552), (280, 198326), (371, 149680), (424, 130970), (530, 104776), (560, 99163), (742, 74840), (848, 65485), (1060, 52388), (1484, 37420), (1855, 29936), (1871, 29680), (2120, 26194), (2968, 18710), (3710, 14968), (3742, 14840), (4240, 13097), (5936, 9355), (7420, 7484)]