82517860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 178516800

約数和(自身を除く): 95998940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 229, 419, 430, 458, 838, 860, 916, 1145, 1676, 2095, 2290, 4190, 4580, 8380, 9847, 18017, 19694, 36034, 39388, 49235, 72068, 90085, 95951, 98470, 180170, 191902, 196940, 360340, 383804, 479755, 959510, 1919020, 4125893, 8251786, 16503572, 20629465, 41258930, 82517860]

約数ペア:

[(1, 82517860), (2, 41258930), (4, 20629465), (5, 16503572), (10, 8251786), (20, 4125893), (43, 1919020), (86, 959510), (172, 479755), (215, 383804), (229, 360340), (419, 196940), (430, 191902), (458, 180170), (838, 98470), (860, 95951), (916, 90085), (1145, 72068), (1676, 49235), (2095, 39388), (2290, 36034), (4190, 19694), (4580, 18017), (8380, 9847)]