40289728

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1997

約数の個数: 56

約数和(自身を含む): 89154000

約数和(自身を除く): 48864272

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1088, 1216, 1292, 1949, 2584, 3898, 5168, 7796, 10336, 15592, 20672, 31184, 33133, 37031, 62368, 66266, 74062, 124736, 132532, 148124, 265064, 296248, 530128, 592496, 629527, 1060256, 1184992, 1259054, 2120512, 2369984, 2518108, 5036216, 10072432, 20144864, 40289728]

約数ペア:

[(1, 40289728), (2, 20144864), (4, 10072432), (8, 5036216), (16, 2518108), (17, 2369984), (19, 2120512), (32, 1259054), (34, 1184992), (38, 1060256), (64, 629527), (68, 592496), (76, 530128), (136, 296248), (152, 265064), (272, 148124), (304, 132532), (323, 124736), (544, 74062), (608, 66266), (646, 62368), (1088, 37031), (1216, 33133), (1292, 31184), (1949, 20672), (2584, 15592), (3898, 10336), (5168, 7796)]