25509380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2393}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 59122224

約数和(自身を除く): 33612844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2393, 2665, 4786, 5330, 9572, 10660, 11965, 23930, 31109, 47860, 62218, 98113, 124436, 155545, 196226, 311090, 392452, 490565, 622180, 981130, 1275469, 1962260, 2550938, 5101876, 6377345, 12754690, 25509380]

約数ペア:

[(1, 25509380), (2, 12754690), (4, 6377345), (5, 5101876), (10, 2550938), (13, 1962260), (20, 1275469), (26, 981130), (41, 622180), (52, 490565), (65, 392452), (82, 311090), (130, 196226), (164, 155545), (205, 124436), (260, 98113), (410, 62218), (533, 47860), (820, 31109), (1066, 23930), (2132, 11965), (2393, 10660), (2665, 9572), (4786, 5330)]