80812784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 177321984

約数和(自身を除く): 96509200

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 83, 104, 124, 151, 166, 208, 248, 302, 332, 403, 496, 604, 664, 806, 1079, 1208, 1328, 1612, 1963, 2158, 2416, 2573, 3224, 3926, 4316, 4681, 5146, 6448, 7852, 8632, 9362, 10292, 12533, 15704, 17264, 18724, 20584, 25066, 31408, 33449, 37448, 41168, 50132, 60853, 66898, 74896, 100264, 121706, 133796, 162929, 200528, 243412, 267592, 325858, 388523, 486824, 535184, 651716, 777046, 973648, 1303432, 1554092, 2606864, 3108184, 5050799, 6216368, 10101598, 20203196, 40406392, 80812784]

約数ペア:

[(1, 80812784), (2, 40406392), (4, 20203196), (8, 10101598), (13, 6216368), (16, 5050799), (26, 3108184), (31, 2606864), (52, 1554092), (62, 1303432), (83, 973648), (104, 777046), (124, 651716), (151, 535184), (166, 486824), (208, 388523), (248, 325858), (302, 267592), (332, 243412), (403, 200528), (496, 162929), (604, 133796), (664, 121706), (806, 100264), (1079, 74896), (1208, 66898), (1328, 60853), (1612, 50132), (1963, 41168), (2158, 37448), (2416, 33449), (2573, 31408), (3224, 25066), (3926, 20584), (4316, 18724), (4681, 17264), (5146, 15704), (6448, 12533), (7852, 10292), (8632, 9362)]