8687680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1597}}^1$

素因数の和:1631

約数の個数: 56

約数和(自身を含む): 21918168

約数和(自身を除く): 13230488

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 1597, 2720, 3194, 5440, 6388, 7985, 12776, 15970, 25552, 27149, 31940, 51104, 54298, 63880, 102208, 108596, 127760, 135745, 217192, 255520, 271490, 434384, 511040, 542980, 868768, 1085960, 1737536, 2171920, 4343840, 8687680]

約数ペア:

[(1, 8687680), (2, 4343840), (4, 2171920), (5, 1737536), (8, 1085960), (10, 868768), (16, 542980), (17, 511040), (20, 434384), (32, 271490), (34, 255520), (40, 217192), (64, 135745), (68, 127760), (80, 108596), (85, 102208), (136, 63880), (160, 54298), (170, 51104), (272, 31940), (320, 27149), (340, 25552), (544, 15970), (680, 12776), (1088, 7985), (1360, 6388), (1597, 5440), (2720, 3194)]