86985040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 215611200

約数和(自身を除く): 128626160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 643, 712, 760, 890, 1286, 1424, 1520, 1691, 1780, 2572, 3215, 3382, 3560, 5144, 6430, 6764, 7120, 8455, 10288, 12217, 12860, 13528, 16910, 24434, 25720, 27056, 33820, 48868, 51440, 57227, 61085, 67640, 97736, 114454, 122170, 135280, 195472, 228908, 244340, 286135, 457816, 488680, 572270, 915632, 977360, 1087313, 1144540, 2174626, 2289080, 4349252, 4578160, 5436565, 8698504, 10873130, 17397008, 21746260, 43492520, 86985040]

約数ペア:

[(1, 86985040), (2, 43492520), (4, 21746260), (5, 17397008), (8, 10873130), (10, 8698504), (16, 5436565), (19, 4578160), (20, 4349252), (38, 2289080), (40, 2174626), (76, 1144540), (80, 1087313), (89, 977360), (95, 915632), (152, 572270), (178, 488680), (190, 457816), (304, 286135), (356, 244340), (380, 228908), (445, 195472), (643, 135280), (712, 122170), (760, 114454), (890, 97736), (1286, 67640), (1424, 61085), (1520, 57227), (1691, 51440), (1780, 48868), (2572, 33820), (3215, 27056), (3382, 25720), (3560, 24434), (5144, 16910), (6430, 13528), (6764, 12860), (7120, 12217), (8455, 10288)]