90066440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 207446400

約数和(自身を除く): 117379960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 139, 167, 194, 278, 334, 388, 485, 556, 668, 695, 776, 835, 970, 1112, 1336, 1390, 1670, 1940, 2780, 3340, 3880, 5560, 6680, 13483, 16199, 23213, 26966, 32398, 46426, 53932, 64796, 67415, 80995, 92852, 107864, 116065, 129592, 134830, 161990, 185704, 232130, 269660, 323980, 464260, 539320, 647960, 928520, 2251661, 4503322, 9006644, 11258305, 18013288, 22516610, 45033220, 90066440]

約数ペア:

[(1, 90066440), (2, 45033220), (4, 22516610), (5, 18013288), (8, 11258305), (10, 9006644), (20, 4503322), (40, 2251661), (97, 928520), (139, 647960), (167, 539320), (194, 464260), (278, 323980), (334, 269660), (388, 232130), (485, 185704), (556, 161990), (668, 134830), (695, 129592), (776, 116065), (835, 107864), (970, 92852), (1112, 80995), (1336, 67415), (1390, 64796), (1670, 53932), (1940, 46426), (2780, 32398), (3340, 26966), (3880, 23213), (5560, 16199), (6680, 13483)]