38615440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 93962736

約数和(自身を除く): 55347296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 61, 80, 82, 122, 164, 193, 205, 244, 305, 328, 386, 410, 488, 610, 656, 772, 820, 965, 976, 1220, 1544, 1640, 1930, 2440, 2501, 3088, 3280, 3860, 4880, 5002, 7720, 7913, 10004, 11773, 12505, 15440, 15826, 20008, 23546, 25010, 31652, 39565, 40016, 47092, 50020, 58865, 63304, 79130, 94184, 100040, 117730, 126608, 158260, 188368, 200080, 235460, 316520, 470920, 482693, 633040, 941840, 965386, 1930772, 2413465, 3861544, 4826930, 7723088, 9653860, 19307720, 38615440]

約数ペア:

[(1, 38615440), (2, 19307720), (4, 9653860), (5, 7723088), (8, 4826930), (10, 3861544), (16, 2413465), (20, 1930772), (40, 965386), (41, 941840), (61, 633040), (80, 482693), (82, 470920), (122, 316520), (164, 235460), (193, 200080), (205, 188368), (244, 158260), (305, 126608), (328, 117730), (386, 100040), (410, 94184), (488, 79130), (610, 63304), (656, 58865), (772, 50020), (820, 47092), (965, 40016), (976, 39565), (1220, 31652), (1544, 25010), (1640, 23546), (1930, 20008), (2440, 15826), (2501, 15440), (3088, 12505), (3280, 11773), (3860, 10004), (4880, 7913), (5002, 7720)]