16408400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 44282880

約数和(自身を除く): 27874480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 80, 85, 95, 100, 127, 136, 152, 170, 190, 200, 254, 272, 304, 323, 340, 380, 400, 425, 475, 508, 635, 646, 680, 760, 850, 950, 1016, 1270, 1292, 1360, 1520, 1615, 1700, 1900, 2032, 2159, 2413, 2540, 2584, 3175, 3230, 3400, 3800, 4318, 4826, 5080, 5168, 6350, 6460, 6800, 7600, 8075, 8636, 9652, 10160, 10795, 12065, 12700, 12920, 16150, 17272, 19304, 21590, 24130, 25400, 25840, 32300, 34544, 38608, 41021, 43180, 48260, 50800, 53975, 60325, 64600, 82042, 86360, 96520, 107950, 120650, 129200, 164084, 172720, 193040, 205105, 215900, 241300, 328168, 410210, 431800, 482600, 656336, 820420, 863600, 965200, 1025525, 1640840, 2051050, 3281680, 4102100, 8204200, 16408400]

約数ペア:

[(1, 16408400), (2, 8204200), (4, 4102100), (5, 3281680), (8, 2051050), (10, 1640840), (16, 1025525), (17, 965200), (19, 863600), (20, 820420), (25, 656336), (34, 482600), (38, 431800), (40, 410210), (50, 328168), (68, 241300), (76, 215900), (80, 205105), (85, 193040), (95, 172720), (100, 164084), (127, 129200), (136, 120650), (152, 107950), (170, 96520), (190, 86360), (200, 82042), (254, 64600), (272, 60325), (304, 53975), (323, 50800), (340, 48260), (380, 43180), (400, 41021), (425, 38608), (475, 34544), (508, 32300), (635, 25840), (646, 25400), (680, 24130), (760, 21590), (850, 19304), (950, 17272), (1016, 16150), (1270, 12920), (1292, 12700), (1360, 12065), (1520, 10795), (1615, 10160), (1700, 9652), (1900, 8636), (2032, 8075), (2159, 7600), (2413, 6800), (2540, 6460), (2584, 6350), (3175, 5168), (3230, 5080), (3400, 4826), (3800, 4318)]