51689690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 111767040

約数和(自身を除く): 60077350

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1231, 1235, 1615, 2210, 2462, 2470, 3230, 4199, 6155, 8398, 12310, 16003, 20927, 20995, 23389, 32006, 41854, 41990, 46778, 80015, 104635, 116945, 160030, 209270, 233890, 272051, 304057, 397613, 544102, 608114, 795226, 1360255, 1520285, 1988065, 2720510, 3040570, 3976130, 5168969, 10337938, 25844845, 51689690]

約数ペア:

[(1, 51689690), (2, 25844845), (5, 10337938), (10, 5168969), (13, 3976130), (17, 3040570), (19, 2720510), (26, 1988065), (34, 1520285), (38, 1360255), (65, 795226), (85, 608114), (95, 544102), (130, 397613), (170, 304057), (190, 272051), (221, 233890), (247, 209270), (323, 160030), (442, 116945), (494, 104635), (646, 80015), (1105, 46778), (1231, 41990), (1235, 41854), (1615, 32006), (2210, 23389), (2462, 20995), (2470, 20927), (3230, 16003), (4199, 12310), (6155, 8398)]