20135254480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{788999}}^1$

素因数の和:789052

約数の個数: 80

約数和(自身を含む): 52831440000

約数和(自身を除く): 32696185520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 12760, 25520, 788999, 1577998, 3155996, 3944995, 6311992, 7889990, 8678989, 12623984, 15779980, 17357978, 22880971, 31559960, 34715956, 43394945, 45761942, 63119920, 69431912, 86789890, 91523884, 114404855, 138863824, 173579780, 183047768, 228809710, 251690681, 347159560, 366095536, 457619420, 503381362, 694319120, 915238840, 1006762724, 1258453405, 1830477680, 2013525448, 2516906810, 4027050896, 5033813620, 10067627240, 20135254480]

約数ペア:

[(1, 20135254480), (2, 10067627240), (4, 5033813620), (5, 4027050896), (8, 2516906810), (10, 2013525448), (11, 1830477680), (16, 1258453405), (20, 1006762724), (22, 915238840), (29, 694319120), (40, 503381362), (44, 457619420), (55, 366095536), (58, 347159560), (80, 251690681), (88, 228809710), (110, 183047768), (116, 173579780), (145, 138863824), (176, 114404855), (220, 91523884), (232, 86789890), (290, 69431912), (319, 63119920), (440, 45761942), (464, 43394945), (580, 34715956), (638, 31559960), (880, 22880971), (1160, 17357978), (1276, 15779980), (1595, 12623984), (2320, 8678989), (2552, 7889990), (3190, 6311992), (5104, 3944995), (6380, 3155996), (12760, 1577998), (25520, 788999)]