7899680

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 18892440

約数和(自身を除く): 10992760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 509, 776, 970, 1018, 1552, 1940, 2036, 2545, 3104, 3880, 4072, 5090, 7760, 8144, 10180, 15520, 16288, 20360, 40720, 49373, 81440, 98746, 197492, 246865, 394984, 493730, 789968, 987460, 1579936, 1974920, 3949840, 7899680]

約数ペア:

[(1, 7899680), (2, 3949840), (4, 1974920), (5, 1579936), (8, 987460), (10, 789968), (16, 493730), (20, 394984), (32, 246865), (40, 197492), (80, 98746), (97, 81440), (160, 49373), (194, 40720), (388, 20360), (485, 16288), (509, 15520), (776, 10180), (970, 8144), (1018, 7760), (1552, 5090), (1940, 4072), (2036, 3880), (2545, 3104)]