40488728

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 90961920

約数和(自身を除く): 50473192

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 83, 124, 166, 217, 248, 281, 332, 434, 562, 581, 664, 868, 1124, 1162, 1736, 1967, 2248, 2324, 2573, 3934, 4648, 5146, 7868, 8711, 10292, 15736, 17422, 18011, 20584, 23323, 34844, 36022, 46646, 60977, 69688, 72044, 93292, 121954, 144088, 163261, 186584, 243908, 326522, 487816, 653044, 723013, 1306088, 1446026, 2892052, 5061091, 5784104, 10122182, 20244364, 40488728]

約数ペア:

[(1, 40488728), (2, 20244364), (4, 10122182), (7, 5784104), (8, 5061091), (14, 2892052), (28, 1446026), (31, 1306088), (56, 723013), (62, 653044), (83, 487816), (124, 326522), (166, 243908), (217, 186584), (248, 163261), (281, 144088), (332, 121954), (434, 93292), (562, 72044), (581, 69688), (664, 60977), (868, 46646), (1124, 36022), (1162, 34844), (1736, 23323), (1967, 20584), (2248, 18011), (2324, 17422), (2573, 15736), (3934, 10292), (4648, 8711), (5146, 7868)]