40908812

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 86177280

約数和(自身を除く): 45268468

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 139, 161, 278, 322, 457, 556, 644, 914, 973, 1828, 1946, 3197, 3199, 3892, 6394, 6398, 10511, 12788, 12796, 21022, 22379, 42044, 44758, 63523, 73577, 89516, 127046, 147154, 254092, 294308, 444661, 889322, 1461029, 1778644, 2922058, 5844116, 10227203, 20454406, 40908812]

約数ペア:

[(1, 40908812), (2, 20454406), (4, 10227203), (7, 5844116), (14, 2922058), (23, 1778644), (28, 1461029), (46, 889322), (92, 444661), (139, 294308), (161, 254092), (278, 147154), (322, 127046), (457, 89516), (556, 73577), (644, 63523), (914, 44758), (973, 42044), (1828, 22379), (1946, 21022), (3197, 12796), (3199, 12788), (3892, 10511), (6394, 6398)]