205171040

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:604

約数の個数: 96

約数和(自身を含む): 510935040

約数和(自身を除く): 305764000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 127, 160, 184, 230, 254, 368, 439, 460, 508, 635, 736, 878, 920, 1016, 1270, 1756, 1840, 2032, 2195, 2540, 2921, 3512, 3680, 4064, 4390, 5080, 5842, 7024, 8780, 10097, 10160, 11684, 14048, 14605, 17560, 20194, 20320, 23368, 29210, 35120, 40388, 46736, 50485, 55753, 58420, 70240, 80776, 93472, 100970, 111506, 116840, 161552, 201940, 223012, 233680, 278765, 323104, 403880, 446024, 467360, 557530, 807760, 892048, 1115060, 1282319, 1615520, 1784096, 2230120, 2564638, 4460240, 5129276, 6411595, 8920480, 10258552, 12823190, 20517104, 25646380, 41034208, 51292760, 102585520, 205171040]

約数ペア:

[(1, 205171040), (2, 102585520), (4, 51292760), (5, 41034208), (8, 25646380), (10, 20517104), (16, 12823190), (20, 10258552), (23, 8920480), (32, 6411595), (40, 5129276), (46, 4460240), (80, 2564638), (92, 2230120), (115, 1784096), (127, 1615520), (160, 1282319), (184, 1115060), (230, 892048), (254, 807760), (368, 557530), (439, 467360), (460, 446024), (508, 403880), (635, 323104), (736, 278765), (878, 233680), (920, 223012), (1016, 201940), (1270, 161552), (1756, 116840), (1840, 111506), (2032, 100970), (2195, 93472), (2540, 80776), (2921, 70240), (3512, 58420), (3680, 55753), (4064, 50485), (4390, 46736), (5080, 40388), (5842, 35120), (7024, 29210), (8780, 23368), (10097, 20320), (10160, 20194), (11684, 17560), (14048, 14605)]