16222280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 38208240

約数和(自身を除く): 21985960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 113, 148, 185, 194, 226, 296, 370, 388, 452, 485, 565, 740, 776, 904, 970, 1130, 1480, 1940, 2260, 3589, 3880, 4181, 4520, 7178, 8362, 10961, 14356, 16724, 17945, 20905, 21922, 28712, 33448, 35890, 41810, 43844, 54805, 71780, 83620, 87688, 109610, 143560, 167240, 219220, 405557, 438440, 811114, 1622228, 2027785, 3244456, 4055570, 8111140, 16222280]

約数ペア:

[(1, 16222280), (2, 8111140), (4, 4055570), (5, 3244456), (8, 2027785), (10, 1622228), (20, 811114), (37, 438440), (40, 405557), (74, 219220), (97, 167240), (113, 143560), (148, 109610), (185, 87688), (194, 83620), (226, 71780), (296, 54805), (370, 43844), (388, 41810), (452, 35890), (485, 33448), (565, 28712), (740, 21922), (776, 20905), (904, 17945), (970, 16724), (1130, 14356), (1480, 10961), (1940, 8362), (2260, 7178), (3589, 4520), (3880, 4181)]