39997280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 101606400

約数和(自身を除く): 61609120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 59, 76, 80, 95, 118, 152, 160, 190, 223, 236, 295, 304, 380, 446, 472, 590, 608, 760, 892, 944, 1115, 1121, 1180, 1520, 1784, 1888, 2230, 2242, 2360, 3040, 3568, 4237, 4460, 4484, 4720, 5605, 7136, 8474, 8920, 8968, 9440, 11210, 13157, 16948, 17840, 17936, 21185, 22420, 26314, 33896, 35680, 35872, 42370, 44840, 52628, 65785, 67792, 84740, 89680, 105256, 131570, 135584, 169480, 179360, 210512, 249983, 263140, 338960, 421024, 499966, 526280, 677920, 999932, 1052560, 1249915, 1999864, 2105120, 2499830, 3999728, 4999660, 7999456, 9999320, 19998640, 39997280]

約数ペア:

[(1, 39997280), (2, 19998640), (4, 9999320), (5, 7999456), (8, 4999660), (10, 3999728), (16, 2499830), (19, 2105120), (20, 1999864), (32, 1249915), (38, 1052560), (40, 999932), (59, 677920), (76, 526280), (80, 499966), (95, 421024), (118, 338960), (152, 263140), (160, 249983), (190, 210512), (223, 179360), (236, 169480), (295, 135584), (304, 131570), (380, 105256), (446, 89680), (472, 84740), (590, 67792), (608, 65785), (760, 52628), (892, 44840), (944, 42370), (1115, 35872), (1121, 35680), (1180, 33896), (1520, 26314), (1784, 22420), (1888, 21185), (2230, 17936), (2242, 17840), (2360, 16948), (3040, 13157), (3568, 11210), (4237, 9440), (4460, 8968), (4484, 8920), (4720, 8474), (5605, 7136)]