42571520

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 103508160

約数和(自身を除く): 60936640

約数列:

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

約数ペア:

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