31650560

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 77017920

約数和(自身を除く): 45367360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 313, 316, 320, 395, 626, 632, 640, 790, 1252, 1264, 1280, 1565, 1580, 2504, 2528, 3130, 3160, 5008, 5056, 6260, 6320, 10016, 10112, 12520, 12640, 20032, 20224, 24727, 25040, 25280, 40064, 49454, 50080, 50560, 80128, 98908, 100160, 101120, 123635, 197816, 200320, 247270, 395632, 400640, 494540, 791264, 989080, 1582528, 1978160, 3165056, 3956320, 6330112, 7912640, 15825280, 31650560]

約数ペア:

[(1, 31650560), (2, 15825280), (4, 7912640), (5, 6330112), (8, 3956320), (10, 3165056), (16, 1978160), (20, 1582528), (32, 989080), (40, 791264), (64, 494540), (79, 400640), (80, 395632), (128, 247270), (158, 200320), (160, 197816), (256, 123635), (313, 101120), (316, 100160), (320, 98908), (395, 80128), (626, 50560), (632, 50080), (640, 49454), (790, 40064), (1252, 25280), (1264, 25040), (1280, 24727), (1565, 20224), (1580, 20032), (2504, 12640), (2528, 12520), (3130, 10112), (3160, 10016), (5008, 6320), (5056, 6260)]