42538240

素因数分解:

$2^8\times 5^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 103017600

約数和(自身を除く): 60479360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 199, 256, 320, 334, 398, 640, 668, 796, 835, 995, 1280, 1336, 1592, 1670, 1990, 2672, 3184, 3340, 3980, 5344, 6368, 6680, 7960, 10688, 12736, 13360, 15920, 21376, 25472, 26720, 31840, 33233, 42752, 50944, 53440, 63680, 66466, 106880, 127360, 132932, 166165, 213760, 254720, 265864, 332330, 531728, 664660, 1063456, 1329320, 2126912, 2658640, 4253824, 5317280, 8507648, 10634560, 21269120, 42538240]

約数ペア:

[(1, 42538240), (2, 21269120), (4, 10634560), (5, 8507648), (8, 5317280), (10, 4253824), (16, 2658640), (20, 2126912), (32, 1329320), (40, 1063456), (64, 664660), (80, 531728), (128, 332330), (160, 265864), (167, 254720), (199, 213760), (256, 166165), (320, 132932), (334, 127360), (398, 106880), (640, 66466), (668, 63680), (796, 53440), (835, 50944), (995, 42752), (1280, 33233), (1336, 31840), (1592, 26720), (1670, 25472), (1990, 21376), (2672, 15920), (3184, 13360), (3340, 12736), (3980, 10688), (5344, 7960), (6368, 6680)]