39498400

素因数分解:

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

素因数の和:626

約数の個数: 72

約数和(自身を含む): 97610940

約数和(自身を除く): 58112540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 400, 485, 509, 776, 800, 970, 1018, 1552, 1940, 2036, 2425, 2545, 3104, 3880, 4072, 4850, 5090, 7760, 8144, 9700, 10180, 12725, 15520, 16288, 19400, 20360, 25450, 38800, 40720, 49373, 50900, 77600, 81440, 98746, 101800, 197492, 203600, 246865, 394984, 407200, 493730, 789968, 987460, 1234325, 1579936, 1974920, 2468650, 3949840, 4937300, 7899680, 9874600, 19749200, 39498400]

約数ペア:

[(1, 39498400), (2, 19749200), (4, 9874600), (5, 7899680), (8, 4937300), (10, 3949840), (16, 2468650), (20, 1974920), (25, 1579936), (32, 1234325), (40, 987460), (50, 789968), (80, 493730), (97, 407200), (100, 394984), (160, 246865), (194, 203600), (200, 197492), (388, 101800), (400, 98746), (485, 81440), (509, 77600), (776, 50900), (800, 49373), (970, 40720), (1018, 38800), (1552, 25450), (1940, 20360), (2036, 19400), (2425, 16288), (2545, 15520), (3104, 12725), (3880, 10180), (4072, 9700), (4850, 8144), (5090, 7760)]