51561860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 131604480

約数和(自身を除く): 80042620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 67, 70, 92, 115, 134, 140, 161, 230, 239, 268, 322, 335, 460, 469, 478, 644, 670, 805, 938, 956, 1195, 1340, 1541, 1610, 1673, 1876, 2345, 2390, 3082, 3220, 3346, 4690, 4780, 5497, 6164, 6692, 7705, 8365, 9380, 10787, 10994, 15410, 16013, 16730, 21574, 21988, 27485, 30820, 32026, 33460, 38479, 43148, 53935, 54970, 64052, 76958, 80065, 107870, 109940, 112091, 153916, 160130, 192395, 215740, 224182, 320260, 368299, 384790, 448364, 560455, 736598, 769580, 1120910, 1473196, 1841495, 2241820, 2578093, 3682990, 5156186, 7365980, 10312372, 12890465, 25780930, 51561860]

約数ペア:

[(1, 51561860), (2, 25780930), (4, 12890465), (5, 10312372), (7, 7365980), (10, 5156186), (14, 3682990), (20, 2578093), (23, 2241820), (28, 1841495), (35, 1473196), (46, 1120910), (67, 769580), (70, 736598), (92, 560455), (115, 448364), (134, 384790), (140, 368299), (161, 320260), (230, 224182), (239, 215740), (268, 192395), (322, 160130), (335, 153916), (460, 112091), (469, 109940), (478, 107870), (644, 80065), (670, 76958), (805, 64052), (938, 54970), (956, 53935), (1195, 43148), (1340, 38479), (1541, 33460), (1610, 32026), (1673, 30820), (1876, 27485), (2345, 21988), (2390, 21574), (3082, 16730), (3220, 16013), (3346, 15410), (4690, 10994), (4780, 10787), (5497, 9380), (6164, 8365), (6692, 7705)]