80521532

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 174659520

約数和(自身を除く): 94137988

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 364, 628, 1099, 1409, 2041, 2198, 2818, 4082, 4396, 5636, 8164, 9863, 14287, 18317, 19726, 28574, 36634, 39452, 57148, 73268, 128219, 221213, 256438, 442426, 512876, 884852, 1548491, 2875769, 3096982, 5751538, 6193964, 11503076, 20130383, 40260766, 80521532]

約数ペア:

[(1, 80521532), (2, 40260766), (4, 20130383), (7, 11503076), (13, 6193964), (14, 5751538), (26, 3096982), (28, 2875769), (52, 1548491), (91, 884852), (157, 512876), (182, 442426), (314, 256438), (364, 221213), (628, 128219), (1099, 73268), (1409, 57148), (2041, 39452), (2198, 36634), (2818, 28574), (4082, 19726), (4396, 18317), (5636, 14287), (8164, 9863)]