54397360

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 131188032

約数和(自身を除く): 76790672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 71, 80, 122, 142, 157, 244, 284, 305, 314, 355, 488, 568, 610, 628, 710, 785, 976, 1136, 1220, 1256, 1420, 1570, 2440, 2512, 2840, 3140, 4331, 4880, 5680, 6280, 8662, 9577, 11147, 12560, 17324, 19154, 21655, 22294, 34648, 38308, 43310, 44588, 47885, 55735, 69296, 76616, 86620, 89176, 95770, 111470, 153232, 173240, 178352, 191540, 222940, 346480, 383080, 445880, 679967, 766160, 891760, 1359934, 2719868, 3399835, 5439736, 6799670, 10879472, 13599340, 27198680, 54397360]

約数ペア:

[(1, 54397360), (2, 27198680), (4, 13599340), (5, 10879472), (8, 6799670), (10, 5439736), (16, 3399835), (20, 2719868), (40, 1359934), (61, 891760), (71, 766160), (80, 679967), (122, 445880), (142, 383080), (157, 346480), (244, 222940), (284, 191540), (305, 178352), (314, 173240), (355, 153232), (488, 111470), (568, 95770), (610, 89176), (628, 86620), (710, 76616), (785, 69296), (976, 55735), (1136, 47885), (1220, 44588), (1256, 43310), (1420, 38308), (1570, 34648), (2440, 22294), (2512, 21655), (2840, 19154), (3140, 17324), (4331, 12560), (4880, 11147), (5680, 9577), (6280, 8662)]