40254538

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 66624768

約数和(自身を除く): 26370230

約数列:

[1, 2, 17, 34, 41, 67, 82, 134, 431, 697, 862, 1139, 1394, 2278, 2747, 5494, 7327, 14654, 17671, 28877, 35342, 46699, 57754, 93398, 300407, 490909, 600814, 981818, 1183957, 2367914, 20127269, 40254538]

約数ペア:

[(1, 40254538), (2, 20127269), (17, 2367914), (34, 1183957), (41, 981818), (67, 600814), (82, 490909), (134, 300407), (431, 93398), (697, 57754), (862, 46699), (1139, 35342), (1394, 28877), (2278, 17671), (2747, 14654), (5494, 7327)]