71523920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:832

約数の個数: 80

約数和(自身を含む): 181186320

約数和(自身を除く): 109662400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 709, 776, 970, 1040, 1261, 1418, 1552, 1940, 2522, 2836, 3545, 3880, 5044, 5672, 6305, 7090, 7760, 9217, 10088, 11344, 12610, 14180, 18434, 20176, 25220, 28360, 36868, 46085, 50440, 56720, 68773, 73736, 92170, 100880, 137546, 147472, 184340, 275092, 343865, 368680, 550184, 687730, 737360, 894049, 1100368, 1375460, 1788098, 2750920, 3576196, 4470245, 5501840, 7152392, 8940490, 14304784, 17880980, 35761960, 71523920]

約数ペア:

[(1, 71523920), (2, 35761960), (4, 17880980), (5, 14304784), (8, 8940490), (10, 7152392), (13, 5501840), (16, 4470245), (20, 3576196), (26, 2750920), (40, 1788098), (52, 1375460), (65, 1100368), (80, 894049), (97, 737360), (104, 687730), (130, 550184), (194, 368680), (208, 343865), (260, 275092), (388, 184340), (485, 147472), (520, 137546), (709, 100880), (776, 92170), (970, 73736), (1040, 68773), (1261, 56720), (1418, 50440), (1552, 46085), (1940, 36868), (2522, 28360), (2836, 25220), (3545, 20176), (3880, 18434), (5044, 14180), (5672, 12610), (6305, 11344), (7090, 10088), (7760, 9217)]