78635680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25867}}^1$

素因数の和:25901

約数の個数: 48

約数和(自身を含む): 195562080

約数和(自身を除く): 116926400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 25867, 51734, 103468, 129335, 206936, 258670, 413872, 491473, 517340, 827744, 982946, 1034680, 1965892, 2069360, 2457365, 3931784, 4138720, 4914730, 7863568, 9829460, 15727136, 19658920, 39317840, 78635680]

約数ペア:

[(1, 78635680), (2, 39317840), (4, 19658920), (5, 15727136), (8, 9829460), (10, 7863568), (16, 4914730), (19, 4138720), (20, 3931784), (32, 2457365), (38, 2069360), (40, 1965892), (76, 1034680), (80, 982946), (95, 827744), (152, 517340), (160, 491473), (190, 413872), (304, 258670), (380, 206936), (608, 129335), (760, 103468), (1520, 51734), (3040, 25867)]