40532480

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 80

約数和(自身を含む): 98993664

約数和(自身を除く): 58461184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 223, 256, 284, 320, 355, 446, 512, 568, 640, 710, 892, 1115, 1136, 1280, 1420, 1784, 2230, 2272, 2560, 2840, 3568, 4460, 4544, 5680, 7136, 8920, 9088, 11360, 14272, 15833, 17840, 18176, 22720, 28544, 31666, 35680, 36352, 45440, 57088, 63332, 71360, 79165, 90880, 114176, 126664, 142720, 158330, 181760, 253328, 285440, 316660, 506656, 570880, 633320, 1013312, 1266640, 2026624, 2533280, 4053248, 5066560, 8106496, 10133120, 20266240, 40532480]

約数ペア:

[(1, 40532480), (2, 20266240), (4, 10133120), (5, 8106496), (8, 5066560), (10, 4053248), (16, 2533280), (20, 2026624), (32, 1266640), (40, 1013312), (64, 633320), (71, 570880), (80, 506656), (128, 316660), (142, 285440), (160, 253328), (223, 181760), (256, 158330), (284, 142720), (320, 126664), (355, 114176), (446, 90880), (512, 79165), (568, 71360), (640, 63332), (710, 57088), (892, 45440), (1115, 36352), (1136, 35680), (1280, 31666), (1420, 28544), (1784, 22720), (2230, 18176), (2272, 17840), (2560, 15833), (2840, 14272), (3568, 11360), (4460, 9088), (4544, 8920), (5680, 7136)]