40402816

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 87210000

約数和(自身を除く): 46807184

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 128, 148, 152, 296, 304, 449, 592, 608, 703, 898, 1184, 1216, 1406, 1796, 2368, 2432, 2812, 3592, 4736, 5624, 7184, 8531, 11248, 14368, 16613, 17062, 22496, 28736, 33226, 34124, 44992, 57472, 66452, 68248, 89984, 132904, 136496, 265808, 272992, 315647, 531616, 545984, 631294, 1063232, 1091968, 1262588, 2126464, 2525176, 5050352, 10100704, 20201408, 40402816]

約数ペア:

[(1, 40402816), (2, 20201408), (4, 10100704), (8, 5050352), (16, 2525176), (19, 2126464), (32, 1262588), (37, 1091968), (38, 1063232), (64, 631294), (74, 545984), (76, 531616), (128, 315647), (148, 272992), (152, 265808), (296, 136496), (304, 132904), (449, 89984), (592, 68248), (608, 66452), (703, 57472), (898, 44992), (1184, 34124), (1216, 33226), (1406, 28736), (1796, 22496), (2368, 17062), (2432, 16613), (2812, 14368), (3592, 11248), (4736, 8531), (5624, 7184)]