89645140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1993}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 204010128

約数和(自身を除く): 114364988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1730, 1993, 2249, 3460, 3986, 4498, 7972, 8996, 9965, 11245, 19930, 22490, 25909, 39860, 44980, 51818, 103636, 129545, 259090, 344789, 518180, 689578, 1379156, 1723945, 3447890, 4482257, 6895780, 8964514, 17929028, 22411285, 44822570, 89645140]

約数ペア:

[(1, 89645140), (2, 44822570), (4, 22411285), (5, 17929028), (10, 8964514), (13, 6895780), (20, 4482257), (26, 3447890), (52, 1723945), (65, 1379156), (130, 689578), (173, 518180), (260, 344789), (346, 259090), (692, 129545), (865, 103636), (1730, 51818), (1993, 44980), (2249, 39860), (3460, 25909), (3986, 22490), (4498, 19930), (7972, 11245), (8996, 9965)]