91472720

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5419}}^1$

素因数の和:5643

約数の個数: 40

約数和(自身を含む): 213721440

約数和(自身を除く): 122248720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 5419, 8440, 10838, 16880, 21676, 27095, 43352, 54190, 86704, 108380, 216760, 433520, 1143409, 2286818, 4573636, 5717045, 9147272, 11434090, 18294544, 22868180, 45736360, 91472720]

約数ペア:

[(1, 91472720), (2, 45736360), (4, 22868180), (5, 18294544), (8, 11434090), (10, 9147272), (16, 5717045), (20, 4573636), (40, 2286818), (80, 1143409), (211, 433520), (422, 216760), (844, 108380), (1055, 86704), (1688, 54190), (2110, 43352), (3376, 27095), (4220, 21676), (5419, 16880), (8440, 10838)]