8032720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 19998720

約数和(自身を除く): 11966000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 79, 80, 82, 124, 155, 158, 164, 205, 248, 310, 316, 328, 395, 410, 496, 620, 632, 656, 790, 820, 1240, 1264, 1271, 1580, 1640, 2449, 2480, 2542, 3160, 3239, 3280, 4898, 5084, 6320, 6355, 6478, 9796, 10168, 12245, 12710, 12956, 16195, 19592, 20336, 24490, 25420, 25912, 32390, 39184, 48980, 50840, 51824, 64780, 97960, 100409, 101680, 129560, 195920, 200818, 259120, 401636, 502045, 803272, 1004090, 1606544, 2008180, 4016360, 8032720]

約数ペア:

[(1, 8032720), (2, 4016360), (4, 2008180), (5, 1606544), (8, 1004090), (10, 803272), (16, 502045), (20, 401636), (31, 259120), (40, 200818), (41, 195920), (62, 129560), (79, 101680), (80, 100409), (82, 97960), (124, 64780), (155, 51824), (158, 50840), (164, 48980), (205, 39184), (248, 32390), (310, 25912), (316, 25420), (328, 24490), (395, 20336), (410, 19592), (496, 16195), (620, 12956), (632, 12710), (656, 12245), (790, 10168), (820, 9796), (1240, 6478), (1264, 6355), (1271, 6320), (1580, 5084), (1640, 4898), (2449, 3280), (2480, 3239), (2542, 3160)]