11218280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 26611200

約数和(自身を除く): 15392920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 109, 124, 155, 166, 218, 248, 310, 332, 415, 436, 545, 620, 664, 830, 872, 1090, 1240, 1660, 2180, 2573, 3320, 3379, 4360, 5146, 6758, 9047, 10292, 12865, 13516, 16895, 18094, 20584, 25730, 27032, 33790, 36188, 45235, 51460, 67580, 72376, 90470, 102920, 135160, 180940, 280457, 361880, 560914, 1121828, 1402285, 2243656, 2804570, 5609140, 11218280]

約数ペア:

[(1, 11218280), (2, 5609140), (4, 2804570), (5, 2243656), (8, 1402285), (10, 1121828), (20, 560914), (31, 361880), (40, 280457), (62, 180940), (83, 135160), (109, 102920), (124, 90470), (155, 72376), (166, 67580), (218, 51460), (248, 45235), (310, 36188), (332, 33790), (415, 27032), (436, 25730), (545, 20584), (620, 18094), (664, 16895), (830, 13516), (872, 12865), (1090, 10292), (1240, 9047), (1660, 6758), (2180, 5146), (2573, 4360), (3320, 3379)]