81127264

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 182891520

約数和(自身を除く): 101764256

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 47, 68, 76, 94, 136, 152, 167, 188, 272, 304, 323, 334, 376, 544, 608, 646, 668, 752, 799, 893, 1292, 1336, 1504, 1598, 1786, 2584, 2672, 2839, 3173, 3196, 3572, 5168, 5344, 5678, 6346, 6392, 7144, 7849, 10336, 11356, 12692, 12784, 14288, 15181, 15698, 22712, 25384, 25568, 28576, 30362, 31396, 45424, 50768, 53941, 60724, 62792, 90848, 101536, 107882, 121448, 125584, 133433, 149131, 215764, 242896, 251168, 266866, 298262, 431528, 485792, 533732, 596524, 863056, 1067464, 1193048, 1726112, 2134928, 2386096, 2535227, 4269856, 4772192, 5070454, 10140908, 20281816, 40563632, 81127264]

約数ペア:

[(1, 81127264), (2, 40563632), (4, 20281816), (8, 10140908), (16, 5070454), (17, 4772192), (19, 4269856), (32, 2535227), (34, 2386096), (38, 2134928), (47, 1726112), (68, 1193048), (76, 1067464), (94, 863056), (136, 596524), (152, 533732), (167, 485792), (188, 431528), (272, 298262), (304, 266866), (323, 251168), (334, 242896), (376, 215764), (544, 149131), (608, 133433), (646, 125584), (668, 121448), (752, 107882), (799, 101536), (893, 90848), (1292, 62792), (1336, 60724), (1504, 53941), (1598, 50768), (1786, 45424), (2584, 31396), (2672, 30362), (2839, 28576), (3173, 25568), (3196, 25384), (3572, 22712), (5168, 15698), (5344, 15181), (5678, 14288), (6346, 12784), (6392, 12692), (7144, 11356), (7849, 10336)]