26399930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 51352704

約数和(自身を除く): 24952774

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 103, 142, 190, 206, 355, 361, 515, 710, 722, 1030, 1349, 1805, 1957, 2698, 3610, 3914, 6745, 7313, 9785, 13490, 14626, 19570, 25631, 36565, 37183, 51262, 73130, 74366, 128155, 138947, 185915, 256310, 277894, 371830, 694735, 1389470, 2639993, 5279986, 13199965, 26399930]

約数ペア:

[(1, 26399930), (2, 13199965), (5, 5279986), (10, 2639993), (19, 1389470), (38, 694735), (71, 371830), (95, 277894), (103, 256310), (142, 185915), (190, 138947), (206, 128155), (355, 74366), (361, 73130), (515, 51262), (710, 37183), (722, 36565), (1030, 25631), (1349, 19570), (1805, 14626), (1957, 13490), (2698, 9785), (3610, 7313), (3914, 6745)]