80419688

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{631}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 153576000

約数和(自身を除く): 73156312

約数列:

[1, 2, 4, 8, 89, 178, 179, 356, 358, 631, 712, 716, 1262, 1432, 2524, 5048, 15931, 31862, 56159, 63724, 112318, 112949, 127448, 224636, 225898, 449272, 451796, 903592, 10052461, 20104922, 40209844, 80419688]

約数ペア:

[(1, 80419688), (2, 40209844), (4, 20104922), (8, 10052461), (89, 903592), (178, 451796), (179, 449272), (356, 225898), (358, 224636), (631, 127448), (712, 112949), (716, 112318), (1262, 63724), (1432, 56159), (2524, 31862), (5048, 15931)]