12965480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 32313600

約数和(自身を除く): 19348120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 373, 395, 440, 632, 746, 790, 869, 1492, 1580, 1738, 1865, 2984, 3160, 3476, 3730, 4103, 4345, 6952, 7460, 8206, 8690, 14920, 16412, 17380, 20515, 29467, 32824, 34760, 41030, 58934, 82060, 117868, 147335, 164120, 235736, 294670, 324137, 589340, 648274, 1178680, 1296548, 1620685, 2593096, 3241370, 6482740, 12965480]

約数ペア:

[(1, 12965480), (2, 6482740), (4, 3241370), (5, 2593096), (8, 1620685), (10, 1296548), (11, 1178680), (20, 648274), (22, 589340), (40, 324137), (44, 294670), (55, 235736), (79, 164120), (88, 147335), (110, 117868), (158, 82060), (220, 58934), (316, 41030), (373, 34760), (395, 32824), (440, 29467), (632, 20515), (746, 17380), (790, 16412), (869, 14920), (1492, 8690), (1580, 8206), (1738, 7460), (1865, 6952), (2984, 4345), (3160, 4103), (3476, 3730)]