72050320

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16993}}^1$

素因数の和:17059

約数の個数: 40

約数和(自身を含む): 170687736

約数和(自身を除く): 98637416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 16993, 33986, 67972, 84965, 135944, 169930, 271888, 339860, 679720, 900629, 1359440, 1801258, 3602516, 4503145, 7205032, 9006290, 14410064, 18012580, 36025160, 72050320]

約数ペア:

[(1, 72050320), (2, 36025160), (4, 18012580), (5, 14410064), (8, 9006290), (10, 7205032), (16, 4503145), (20, 3602516), (40, 1801258), (53, 1359440), (80, 900629), (106, 679720), (212, 339860), (265, 271888), (424, 169930), (530, 135944), (848, 84965), (1060, 67972), (2120, 33986), (4240, 16993)]