40142644

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 77898240

約数和(自身を除く): 37755596

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 137, 139, 274, 278, 527, 548, 556, 1054, 2108, 2329, 2363, 4247, 4309, 4658, 4726, 8494, 8618, 9316, 9452, 16988, 17236, 19043, 38086, 72199, 73253, 76172, 144398, 146506, 288796, 293012, 323731, 590333, 647462, 1180666, 1294924, 2361332, 10035661, 20071322, 40142644]

約数ペア:

[(1, 40142644), (2, 20071322), (4, 10035661), (17, 2361332), (31, 1294924), (34, 1180666), (62, 647462), (68, 590333), (124, 323731), (137, 293012), (139, 288796), (274, 146506), (278, 144398), (527, 76172), (548, 73253), (556, 72199), (1054, 38086), (2108, 19043), (2329, 17236), (2363, 16988), (4247, 9452), (4309, 9316), (4658, 8618), (4726, 8494)]