64638760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5003}}^1$

素因数の和:5050

約数の個数: 64

約数和(自身を含む): 162129600

約数和(自身を除く): 97490840

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 5003, 6460, 10006, 12920, 20012, 25015, 40024, 50030, 85051, 95057, 100060, 170102, 190114, 200120, 340204, 380228, 425255, 475285, 680408, 760456, 850510, 950570, 1615969, 1701020, 1901140, 3231938, 3402040, 3802280, 6463876, 8079845, 12927752, 16159690, 32319380, 64638760]

約数ペア:

[(1, 64638760), (2, 32319380), (4, 16159690), (5, 12927752), (8, 8079845), (10, 6463876), (17, 3802280), (19, 3402040), (20, 3231938), (34, 1901140), (38, 1701020), (40, 1615969), (68, 950570), (76, 850510), (85, 760456), (95, 680408), (136, 475285), (152, 425255), (170, 380228), (190, 340204), (323, 200120), (340, 190114), (380, 170102), (646, 100060), (680, 95057), (760, 85051), (1292, 50030), (1615, 40024), (2584, 25015), (3230, 20012), (5003, 12920), (6460, 10006)]