25970720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8543}}^1$

素因数の和:8577

約数の個数: 48

約数和(自身を含む): 64592640

約数和(自身を除く): 38621920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 8543, 17086, 34172, 42715, 68344, 85430, 136688, 162317, 170860, 273376, 324634, 341720, 649268, 683440, 811585, 1298536, 1366880, 1623170, 2597072, 3246340, 5194144, 6492680, 12985360, 25970720]

約数ペア:

[(1, 25970720), (2, 12985360), (4, 6492680), (5, 5194144), (8, 3246340), (10, 2597072), (16, 1623170), (19, 1366880), (20, 1298536), (32, 811585), (38, 683440), (40, 649268), (76, 341720), (80, 324634), (95, 273376), (152, 170860), (160, 162317), (190, 136688), (304, 85430), (380, 68344), (608, 42715), (760, 34172), (1520, 17086), (3040, 8543)]