39996800

素因数分解:

$2^7\times 5^2\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:484

約数の個数: 96

約数和(自身を含む): 102448800

約数和(自身を除く): 62452000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 128, 145, 160, 200, 232, 290, 320, 400, 431, 464, 580, 640, 725, 800, 862, 928, 1160, 1450, 1600, 1724, 1856, 2155, 2320, 2900, 3200, 3448, 3712, 4310, 4640, 5800, 6896, 8620, 9280, 10775, 11600, 12499, 13792, 17240, 18560, 21550, 23200, 24998, 27584, 34480, 43100, 46400, 49996, 55168, 62495, 68960, 86200, 92800, 99992, 124990, 137920, 172400, 199984, 249980, 275840, 312475, 344800, 399968, 499960, 624950, 689600, 799936, 999920, 1249900, 1379200, 1599872, 1999840, 2499800, 3999680, 4999600, 7999360, 9999200, 19998400, 39996800]

約数ペア:

[(1, 39996800), (2, 19998400), (4, 9999200), (5, 7999360), (8, 4999600), (10, 3999680), (16, 2499800), (20, 1999840), (25, 1599872), (29, 1379200), (32, 1249900), (40, 999920), (50, 799936), (58, 689600), (64, 624950), (80, 499960), (100, 399968), (116, 344800), (128, 312475), (145, 275840), (160, 249980), (200, 199984), (232, 172400), (290, 137920), (320, 124990), (400, 99992), (431, 92800), (464, 86200), (580, 68960), (640, 62495), (725, 55168), (800, 49996), (862, 46400), (928, 43100), (1160, 34480), (1450, 27584), (1600, 24998), (1724, 23200), (1856, 21550), (2155, 18560), (2320, 17240), (2900, 13792), (3200, 12499), (3448, 11600), (3712, 10775), (4310, 9280), (4640, 8620), (5800, 6896)]