85143040

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:523

約数の個数: 80

約数和(自身を含む): 207218880

約数和(自身を除く): 122075840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 421, 512, 632, 640, 790, 842, 1264, 1280, 1580, 1684, 2105, 2528, 2560, 3160, 3368, 4210, 5056, 6320, 6736, 8420, 10112, 12640, 13472, 16840, 20224, 25280, 26944, 33259, 33680, 40448, 50560, 53888, 66518, 67360, 101120, 107776, 133036, 134720, 166295, 202240, 215552, 266072, 269440, 332590, 532144, 538880, 665180, 1064288, 1077760, 1330360, 2128576, 2660720, 4257152, 5321440, 8514304, 10642880, 17028608, 21285760, 42571520, 85143040]

約数ペア:

[(1, 85143040), (2, 42571520), (4, 21285760), (5, 17028608), (8, 10642880), (10, 8514304), (16, 5321440), (20, 4257152), (32, 2660720), (40, 2128576), (64, 1330360), (79, 1077760), (80, 1064288), (128, 665180), (158, 538880), (160, 532144), (256, 332590), (316, 269440), (320, 266072), (395, 215552), (421, 202240), (512, 166295), (632, 134720), (640, 133036), (790, 107776), (842, 101120), (1264, 67360), (1280, 66518), (1580, 53888), (1684, 50560), (2105, 40448), (2528, 33680), (2560, 33259), (3160, 26944), (3368, 25280), (4210, 20224), (5056, 16840), (6320, 13472), (6736, 12640), (8420, 10112)]