20180352875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1013}}^1$

素因数の和:1209

約数の個数: 64

約数和(自身を含む): 26787511296

約数和(自身を除く): 6607158421

約数列:

[1, 5, 25, 31, 53, 97, 125, 155, 265, 485, 775, 1013, 1325, 1643, 2425, 3007, 3875, 5065, 5141, 6625, 8215, 12125, 15035, 25325, 25705, 31403, 41075, 53689, 75175, 98261, 126625, 128525, 157015, 159371, 205375, 268445, 375875, 491305, 642625, 785075, 796855, 1342225, 1664359, 2456525, 3046091, 3925375, 3984275, 5207833, 6711125, 8321795, 12282625, 15230455, 19921375, 26039165, 41608975, 76152275, 130195825, 161442823, 208044875, 380761375, 650979125, 807214115, 4036070575, 20180352875]

約数ペア:

[(1, 20180352875), (5, 4036070575), (25, 807214115), (31, 650979125), (53, 380761375), (97, 208044875), (125, 161442823), (155, 130195825), (265, 76152275), (485, 41608975), (775, 26039165), (1013, 19921375), (1325, 15230455), (1643, 12282625), (2425, 8321795), (3007, 6711125), (3875, 5207833), (5065, 3984275), (5141, 3925375), (6625, 3046091), (8215, 2456525), (12125, 1664359), (15035, 1342225), (25325, 796855), (25705, 785075), (31403, 642625), (41075, 491305), (53689, 375875), (75175, 268445), (98261, 205375), (126625, 159371), (128525, 157015)]