72308840

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{10099}}^1$

素因数の和:10289

約数の個数: 32

約数和(自身を含む): 163620000

約数和(自身を除く): 91311160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 10099, 20198, 40396, 50495, 80792, 100990, 201980, 403960, 1807721, 3615442, 7230884, 9038605, 14461768, 18077210, 36154420, 72308840]

約数ペア:

[(1, 72308840), (2, 36154420), (4, 18077210), (5, 14461768), (8, 9038605), (10, 7230884), (20, 3615442), (40, 1807721), (179, 403960), (358, 201980), (716, 100990), (895, 80792), (1432, 50495), (1790, 40396), (3580, 20198), (7160, 10099)]