13421320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 34473600

約数和(自身を除く): 21052280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 59, 88, 94, 110, 118, 121, 188, 220, 235, 236, 242, 295, 376, 440, 470, 472, 484, 517, 590, 605, 649, 940, 968, 1034, 1180, 1210, 1298, 1880, 2068, 2360, 2420, 2585, 2596, 2773, 3245, 4136, 4840, 5170, 5192, 5546, 5687, 6490, 7139, 10340, 11092, 11374, 12980, 13865, 14278, 20680, 22184, 22748, 25960, 27730, 28435, 28556, 30503, 35695, 45496, 55460, 56870, 57112, 61006, 71390, 110920, 113740, 122012, 142780, 152515, 227480, 244024, 285560, 305030, 335533, 610060, 671066, 1220120, 1342132, 1677665, 2684264, 3355330, 6710660, 13421320]

約数ペア:

[(1, 13421320), (2, 6710660), (4, 3355330), (5, 2684264), (8, 1677665), (10, 1342132), (11, 1220120), (20, 671066), (22, 610060), (40, 335533), (44, 305030), (47, 285560), (55, 244024), (59, 227480), (88, 152515), (94, 142780), (110, 122012), (118, 113740), (121, 110920), (188, 71390), (220, 61006), (235, 57112), (236, 56870), (242, 55460), (295, 45496), (376, 35695), (440, 30503), (470, 28556), (472, 28435), (484, 27730), (517, 25960), (590, 22748), (605, 22184), (649, 20680), (940, 14278), (968, 13865), (1034, 12980), (1180, 11374), (1210, 11092), (1298, 10340), (1880, 7139), (2068, 6490), (2360, 5687), (2420, 5546), (2585, 5192), (2596, 5170), (2773, 4840), (3245, 4136)]