7072720

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 16561440

約数和(自身を除く): 9488720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 419, 422, 838, 844, 1055, 1676, 1688, 2095, 2110, 3352, 3376, 4190, 4220, 6704, 8380, 8440, 16760, 16880, 33520, 88409, 176818, 353636, 442045, 707272, 884090, 1414544, 1768180, 3536360, 7072720]

約数ペア:

[(1, 7072720), (2, 3536360), (4, 1768180), (5, 1414544), (8, 884090), (10, 707272), (16, 442045), (20, 353636), (40, 176818), (80, 88409), (211, 33520), (419, 16880), (422, 16760), (838, 8440), (844, 8380), (1055, 6704), (1676, 4220), (1688, 4190), (2095, 3376), (2110, 3352)]