66284720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28571}}^1$

素因数の和:28613

約数の個数: 40

約数和(自身を含む): 159431760

約数和(自身を除く): 93147040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 28571, 57142, 114284, 142855, 228568, 285710, 457136, 571420, 828559, 1142840, 1657118, 2285680, 3314236, 4142795, 6628472, 8285590, 13256944, 16571180, 33142360, 66284720]

約数ペア:

[(1, 66284720), (2, 33142360), (4, 16571180), (5, 13256944), (8, 8285590), (10, 6628472), (16, 4142795), (20, 3314236), (29, 2285680), (40, 1657118), (58, 1142840), (80, 828559), (116, 571420), (145, 457136), (232, 285710), (290, 228568), (464, 142855), (580, 114284), (1160, 57142), (2320, 28571)]