64026625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 91085904

約数和(自身を除く): 27059279

約数列:

[1, 5, 13, 25, 31, 41, 65, 125, 155, 205, 325, 403, 533, 775, 961, 1025, 1271, 1625, 2015, 2665, 3875, 4805, 5125, 6355, 10075, 12493, 13325, 16523, 24025, 31775, 39401, 50375, 62465, 66625, 82615, 120125, 158875, 197005, 312325, 413075, 512213, 985025, 1561625, 2065375, 2561065, 4925125, 12805325, 64026625]

約数ペア:

[(1, 64026625), (5, 12805325), (13, 4925125), (25, 2561065), (31, 2065375), (41, 1561625), (65, 985025), (125, 512213), (155, 413075), (205, 312325), (325, 197005), (403, 158875), (533, 120125), (775, 82615), (961, 66625), (1025, 62465), (1271, 50375), (1625, 39401), (2015, 31775), (2665, 24025), (3875, 16523), (4805, 13325), (5125, 12493), (6355, 10075)]