164033420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{751}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 352224768

約数和(自身を除く): 188191348

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 163, 268, 326, 335, 652, 670, 751, 815, 1340, 1502, 1630, 3004, 3260, 3755, 7510, 10921, 15020, 21842, 43684, 50317, 54605, 100634, 109210, 122413, 201268, 218420, 244826, 251585, 489652, 503170, 612065, 1006340, 1224130, 2448260, 8201671, 16403342, 32806684, 41008355, 82016710, 164033420]

約数ペア:

[(1, 164033420), (2, 82016710), (4, 41008355), (5, 32806684), (10, 16403342), (20, 8201671), (67, 2448260), (134, 1224130), (163, 1006340), (268, 612065), (326, 503170), (335, 489652), (652, 251585), (670, 244826), (751, 218420), (815, 201268), (1340, 122413), (1502, 109210), (1630, 100634), (3004, 54605), (3260, 50317), (3755, 43684), (7510, 21842), (10921, 15020)]