25939160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 63715680

約数和(自身を除く): 37776520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 601, 664, 830, 1079, 1202, 1660, 2158, 2404, 3005, 3320, 4316, 4808, 5395, 6010, 7813, 8632, 10790, 12020, 15626, 21580, 24040, 31252, 39065, 43160, 49883, 62504, 78130, 99766, 156260, 199532, 249415, 312520, 399064, 498830, 648479, 997660, 1296958, 1995320, 2593916, 3242395, 5187832, 6484790, 12969580, 25939160]

約数ペア:

[(1, 25939160), (2, 12969580), (4, 6484790), (5, 5187832), (8, 3242395), (10, 2593916), (13, 1995320), (20, 1296958), (26, 997660), (40, 648479), (52, 498830), (65, 399064), (83, 312520), (104, 249415), (130, 199532), (166, 156260), (260, 99766), (332, 78130), (415, 62504), (520, 49883), (601, 43160), (664, 39065), (830, 31252), (1079, 24040), (1202, 21580), (1660, 15626), (2158, 12020), (2404, 10790), (3005, 8632), (3320, 7813), (4316, 6010), (4808, 5395)]