84119320

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{4021}}^1$

素因数の和:4555

約数の個数: 32

約数和(自身を含む): 189677520

約数和(自身を除く): 105558200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4021, 4184, 5230, 8042, 10460, 16084, 20105, 20920, 32168, 40210, 80420, 160840, 2102983, 4205966, 8411932, 10514915, 16823864, 21029830, 42059660, 84119320]

約数ペア:

[(1, 84119320), (2, 42059660), (4, 21029830), (5, 16823864), (8, 10514915), (10, 8411932), (20, 4205966), (40, 2102983), (523, 160840), (1046, 80420), (2092, 40210), (2615, 32168), (4021, 20920), (4184, 20105), (5230, 16084), (8042, 10460)]