25908520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 65930760

約数和(自身を除く): 40022240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 101, 106, 110, 121, 202, 212, 220, 242, 265, 404, 424, 440, 484, 505, 530, 583, 605, 808, 968, 1010, 1060, 1111, 1166, 1210, 2020, 2120, 2222, 2332, 2420, 2915, 4040, 4444, 4664, 4840, 5353, 5555, 5830, 6413, 8888, 10706, 11110, 11660, 12221, 12826, 21412, 22220, 23320, 24442, 25652, 26765, 32065, 42824, 44440, 48884, 51304, 53530, 58883, 61105, 64130, 97768, 107060, 117766, 122210, 128260, 214120, 235532, 244420, 256520, 294415, 471064, 488840, 588830, 647713, 1177660, 1295426, 2355320, 2590852, 3238565, 5181704, 6477130, 12954260, 25908520]

約数ペア:

[(1, 25908520), (2, 12954260), (4, 6477130), (5, 5181704), (8, 3238565), (10, 2590852), (11, 2355320), (20, 1295426), (22, 1177660), (40, 647713), (44, 588830), (53, 488840), (55, 471064), (88, 294415), (101, 256520), (106, 244420), (110, 235532), (121, 214120), (202, 128260), (212, 122210), (220, 117766), (242, 107060), (265, 97768), (404, 64130), (424, 61105), (440, 58883), (484, 53530), (505, 51304), (530, 48884), (583, 44440), (605, 42824), (808, 32065), (968, 26765), (1010, 25652), (1060, 24442), (1111, 23320), (1166, 22220), (1210, 21412), (2020, 12826), (2120, 12221), (2222, 11660), (2332, 11110), (2420, 10706), (2915, 8888), (4040, 6413), (4444, 5830), (4664, 5555), (4840, 5353)]