43640440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 101606400

約数和(自身を除く): 57965960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 139, 167, 188, 235, 278, 334, 376, 470, 556, 668, 695, 835, 940, 1112, 1336, 1390, 1670, 1880, 2780, 3340, 5560, 6533, 6680, 7849, 13066, 15698, 23213, 26132, 31396, 32665, 39245, 46426, 52264, 62792, 65330, 78490, 92852, 116065, 130660, 156980, 185704, 232130, 261320, 313960, 464260, 928520, 1091011, 2182022, 4364044, 5455055, 8728088, 10910110, 21820220, 43640440]

約数ペア:

[(1, 43640440), (2, 21820220), (4, 10910110), (5, 8728088), (8, 5455055), (10, 4364044), (20, 2182022), (40, 1091011), (47, 928520), (94, 464260), (139, 313960), (167, 261320), (188, 232130), (235, 185704), (278, 156980), (334, 130660), (376, 116065), (470, 92852), (556, 78490), (668, 65330), (695, 62792), (835, 52264), (940, 46426), (1112, 39245), (1336, 32665), (1390, 31396), (1670, 26132), (1880, 23213), (2780, 15698), (3340, 13066), (5560, 7849), (6533, 6680)]