39689728

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 80

約数和(自身を含む): 87650640

約数和(自身を除く): 47960912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 89, 104, 128, 134, 178, 208, 256, 268, 356, 416, 512, 536, 712, 832, 871, 1072, 1157, 1424, 1664, 1742, 2144, 2314, 2848, 3328, 3484, 4288, 4628, 5696, 5963, 6656, 6968, 8576, 9256, 11392, 11926, 13936, 17152, 18512, 22784, 23852, 27872, 34304, 37024, 45568, 47704, 55744, 74048, 77519, 95408, 111488, 148096, 155038, 190816, 222976, 296192, 310076, 381632, 445952, 592384, 620152, 763264, 1240304, 1526528, 2480608, 3053056, 4961216, 9922432, 19844864, 39689728]

約数ペア:

[(1, 39689728), (2, 19844864), (4, 9922432), (8, 4961216), (13, 3053056), (16, 2480608), (26, 1526528), (32, 1240304), (52, 763264), (64, 620152), (67, 592384), (89, 445952), (104, 381632), (128, 310076), (134, 296192), (178, 222976), (208, 190816), (256, 155038), (268, 148096), (356, 111488), (416, 95408), (512, 77519), (536, 74048), (712, 55744), (832, 47704), (871, 45568), (1072, 37024), (1157, 34304), (1424, 27872), (1664, 23852), (1742, 22784), (2144, 18512), (2314, 17152), (2848, 13936), (3328, 11926), (3484, 11392), (4288, 9256), (4628, 8576), (5696, 6968), (5963, 6656)]