2560961968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 5320909440

約数和(自身を除く): 2759947472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 107, 131, 152, 214, 262, 304, 428, 524, 601, 856, 1048, 1202, 1712, 2033, 2096, 2404, 2489, 4066, 4808, 4978, 8132, 9616, 9956, 11419, 14017, 16264, 19912, 22838, 28034, 32528, 39824, 45676, 56068, 64307, 78731, 91352, 112136, 128614, 157462, 182704, 224272, 257228, 266323, 314924, 514456, 532646, 629848, 1028912, 1065292, 1221833, 1259696, 1495889, 2130584, 2443666, 2991778, 4261168, 4887332, 5983556, 8424217, 9774664, 11967112, 16848434, 19549328, 23934224, 33696868, 67393736, 134787472, 160060123, 320120246, 640240492, 1280480984, 2560961968]

約数ペア:

[(1, 2560961968), (2, 1280480984), (4, 640240492), (8, 320120246), (16, 160060123), (19, 134787472), (38, 67393736), (76, 33696868), (107, 23934224), (131, 19549328), (152, 16848434), (214, 11967112), (262, 9774664), (304, 8424217), (428, 5983556), (524, 4887332), (601, 4261168), (856, 2991778), (1048, 2443666), (1202, 2130584), (1712, 1495889), (2033, 1259696), (2096, 1221833), (2404, 1065292), (2489, 1028912), (4066, 629848), (4808, 532646), (4978, 514456), (8132, 314924), (9616, 266323), (9956, 257228), (11419, 224272), (14017, 182704), (16264, 157462), (19912, 128614), (22838, 112136), (28034, 91352), (32528, 78731), (39824, 64307), (45676, 56068)]