652247440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20231}}^1$

素因数の和:20288

約数の個数: 80

約数和(自身を含む): 1685892096

約数和(自身を除く): 1033644656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 20231, 32240, 40462, 80924, 101155, 161848, 202310, 263003, 323696, 404620, 526006, 627161, 809240, 1052012, 1254322, 1315015, 1618480, 2104024, 2508644, 2630030, 3135805, 4208048, 5017288, 5260060, 6271610, 8153093, 10034576, 10520120, 12543220, 16306186, 21040240, 25086440, 32612372, 40765465, 50172880, 65224744, 81530930, 130449488, 163061860, 326123720, 652247440]

約数ペア:

[(1, 652247440), (2, 326123720), (4, 163061860), (5, 130449488), (8, 81530930), (10, 65224744), (13, 50172880), (16, 40765465), (20, 32612372), (26, 25086440), (31, 21040240), (40, 16306186), (52, 12543220), (62, 10520120), (65, 10034576), (80, 8153093), (104, 6271610), (124, 5260060), (130, 5017288), (155, 4208048), (208, 3135805), (248, 2630030), (260, 2508644), (310, 2104024), (403, 1618480), (496, 1315015), (520, 1254322), (620, 1052012), (806, 809240), (1040, 627161), (1240, 526006), (1612, 404620), (2015, 323696), (2480, 263003), (3224, 202310), (4030, 161848), (6448, 101155), (8060, 80924), (16120, 40462), (20231, 32240)]