28498880

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 112

約数和(自身を含む): 72969120

約数和(自身を除く): 44470240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 83, 116, 145, 148, 160, 166, 185, 232, 290, 296, 320, 332, 370, 415, 464, 580, 592, 664, 740, 830, 928, 1073, 1160, 1184, 1328, 1480, 1660, 1856, 2146, 2320, 2368, 2407, 2656, 2960, 3071, 3320, 4292, 4640, 4814, 5312, 5365, 5920, 6142, 6640, 8584, 9280, 9628, 10730, 11840, 12035, 12284, 13280, 15355, 17168, 19256, 21460, 24070, 24568, 26560, 30710, 34336, 38512, 42920, 48140, 49136, 61420, 68672, 77024, 85840, 89059, 96280, 98272, 122840, 154048, 171680, 178118, 192560, 196544, 245680, 343360, 356236, 385120, 445295, 491360, 712472, 770240, 890590, 982720, 1424944, 1781180, 2849888, 3562360, 5699776, 7124720, 14249440, 28498880]

約数ペア:

[(1, 28498880), (2, 14249440), (4, 7124720), (5, 5699776), (8, 3562360), (10, 2849888), (16, 1781180), (20, 1424944), (29, 982720), (32, 890590), (37, 770240), (40, 712472), (58, 491360), (64, 445295), (74, 385120), (80, 356236), (83, 343360), (116, 245680), (145, 196544), (148, 192560), (160, 178118), (166, 171680), (185, 154048), (232, 122840), (290, 98272), (296, 96280), (320, 89059), (332, 85840), (370, 77024), (415, 68672), (464, 61420), (580, 49136), (592, 48140), (664, 42920), (740, 38512), (830, 34336), (928, 30710), (1073, 26560), (1160, 24568), (1184, 24070), (1328, 21460), (1480, 19256), (1660, 17168), (1856, 15355), (2146, 13280), (2320, 12284), (2368, 12035), (2407, 11840), (2656, 10730), (2960, 9628), (3071, 9280), (3320, 8584), (4292, 6640), (4640, 6142), (4814, 5920), (5312, 5365)]