40960276

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 93078720

約数和(自身を除く): 52118444

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 238, 266, 323, 476, 532, 646, 647, 833, 931, 1292, 1294, 1666, 1862, 2261, 2588, 3332, 3724, 4522, 4529, 9044, 9058, 10999, 12293, 15827, 18116, 21998, 24586, 31654, 31703, 43996, 49172, 63308, 63406, 76993, 86051, 126812, 153986, 172102, 208981, 307972, 344204, 417962, 538951, 602357, 835924, 1077902, 1204714, 1462867, 2155804, 2409428, 2925734, 5851468, 10240069, 20480138, 40960276]

約数ペア:

[(1, 40960276), (2, 20480138), (4, 10240069), (7, 5851468), (14, 2925734), (17, 2409428), (19, 2155804), (28, 1462867), (34, 1204714), (38, 1077902), (49, 835924), (68, 602357), (76, 538951), (98, 417962), (119, 344204), (133, 307972), (196, 208981), (238, 172102), (266, 153986), (323, 126812), (476, 86051), (532, 76993), (646, 63406), (647, 63308), (833, 49172), (931, 43996), (1292, 31703), (1294, 31654), (1666, 24586), (1862, 21998), (2261, 18116), (2588, 15827), (3332, 12293), (3724, 10999), (4522, 9058), (4529, 9044)]