42782680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1373}}^1$

素因数の和:1444

約数の個数: 64

約数和(自身を含む): 103874400

約数和(自身を除く): 61091720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1373, 1558, 1640, 2746, 3116, 3895, 5492, 6232, 6865, 7790, 10984, 13730, 15580, 26087, 27460, 31160, 52174, 54920, 56293, 104348, 112586, 130435, 208696, 225172, 260870, 281465, 450344, 521740, 562930, 1043480, 1069567, 1125860, 2139134, 2251720, 4278268, 5347835, 8556536, 10695670, 21391340, 42782680]

約数ペア:

[(1, 42782680), (2, 21391340), (4, 10695670), (5, 8556536), (8, 5347835), (10, 4278268), (19, 2251720), (20, 2139134), (38, 1125860), (40, 1069567), (41, 1043480), (76, 562930), (82, 521740), (95, 450344), (152, 281465), (164, 260870), (190, 225172), (205, 208696), (328, 130435), (380, 112586), (410, 104348), (760, 56293), (779, 54920), (820, 52174), (1373, 31160), (1558, 27460), (1640, 26087), (2746, 15580), (3116, 13730), (3895, 10984), (5492, 7790), (6232, 6865)]