42838840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 108591840

約数和(自身を除く): 65753000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 121, 167, 212, 220, 242, 265, 334, 424, 440, 484, 530, 583, 605, 668, 835, 968, 1060, 1166, 1210, 1336, 1670, 1837, 2120, 2332, 2420, 2915, 3340, 3674, 4664, 4840, 5830, 6413, 6680, 7348, 8851, 9185, 11660, 12826, 14696, 17702, 18370, 20207, 23320, 25652, 32065, 35404, 36740, 40414, 44255, 51304, 64130, 70808, 73480, 80828, 88510, 97361, 101035, 128260, 161656, 177020, 194722, 202070, 256520, 354040, 389444, 404140, 486805, 778888, 808280, 973610, 1070971, 1947220, 2141942, 3894440, 4283884, 5354855, 8567768, 10709710, 21419420, 42838840]

約数ペア:

[(1, 42838840), (2, 21419420), (4, 10709710), (5, 8567768), (8, 5354855), (10, 4283884), (11, 3894440), (20, 2141942), (22, 1947220), (40, 1070971), (44, 973610), (53, 808280), (55, 778888), (88, 486805), (106, 404140), (110, 389444), (121, 354040), (167, 256520), (212, 202070), (220, 194722), (242, 177020), (265, 161656), (334, 128260), (424, 101035), (440, 97361), (484, 88510), (530, 80828), (583, 73480), (605, 70808), (668, 64130), (835, 51304), (968, 44255), (1060, 40414), (1166, 36740), (1210, 35404), (1336, 32065), (1670, 25652), (1837, 23320), (2120, 20207), (2332, 18370), (2420, 17702), (2915, 14696), (3340, 12826), (3674, 11660), (4664, 9185), (4840, 8851), (5830, 7348), (6413, 6680)]