640697712

素因数分解:

$2^4\times 3^1\times {\mathrm{683}}^1\times {\mathrm{19543}}^1$

素因数の和:20237

約数の個数: 40

約数和(自身を含む): 1657643904

約数和(自身を除く): 1016946192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 683, 1366, 2049, 2732, 4098, 5464, 8196, 10928, 16392, 19543, 32784, 39086, 58629, 78172, 117258, 156344, 234516, 312688, 469032, 938064, 13347869, 26695738, 40043607, 53391476, 80087214, 106782952, 160174428, 213565904, 320348856, 640697712]

約数ペア:

[(1, 640697712), (2, 320348856), (3, 213565904), (4, 160174428), (6, 106782952), (8, 80087214), (12, 53391476), (16, 40043607), (24, 26695738), (48, 13347869), (683, 938064), (1366, 469032), (2049, 312688), (2732, 234516), (4098, 156344), (5464, 117258), (8196, 78172), (10928, 58629), (16392, 39086), (19543, 32784)]