115909720

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6883}}^1$

素因数の和:7315

約数の個数: 32

約数和(自身を含む): 261454320

約数和(自身を除く): 145544600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 6883, 8420, 13766, 16840, 27532, 34415, 55064, 68830, 137660, 275320, 2897743, 5795486, 11590972, 14488715, 23181944, 28977430, 57954860, 115909720]

約数ペア:

[(1, 115909720), (2, 57954860), (4, 28977430), (5, 23181944), (8, 14488715), (10, 11590972), (20, 5795486), (40, 2897743), (421, 275320), (842, 137660), (1684, 68830), (2105, 55064), (3368, 34415), (4210, 27532), (6883, 16840), (8420, 13766)]