65437540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{9539}}^1$

素因数の和:9569

約数の個数: 48

約数和(自身を含む): 160272000

約数和(自身を除く): 94834460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 9539, 19078, 38156, 47695, 66773, 95390, 133546, 190780, 267092, 333865, 467411, 667730, 934822, 1335460, 1869644, 2337055, 3271877, 4674110, 6543754, 9348220, 13087508, 16359385, 32718770, 65437540]

約数ペア:

[(1, 65437540), (2, 32718770), (4, 16359385), (5, 13087508), (7, 9348220), (10, 6543754), (14, 4674110), (20, 3271877), (28, 2337055), (35, 1869644), (49, 1335460), (70, 934822), (98, 667730), (140, 467411), (196, 333865), (245, 267092), (343, 190780), (490, 133546), (686, 95390), (980, 66773), (1372, 47695), (1715, 38156), (3430, 19078), (6860, 9539)]