40472320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{4517}}^1$

素因数の和:4545

約数の個数: 72

約数和(自身を含む): 110817504

約数和(自身を除く): 70345184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 4517, 8960, 9034, 18068, 22585, 31619, 36136, 45170, 63238, 72272, 90340, 126476, 144544, 158095, 180680, 252952, 289088, 316190, 361360, 505904, 578176, 632380, 722720, 1011808, 1156352, 1264760, 1445440, 2023616, 2529520, 2890880, 4047232, 5059040, 5781760, 8094464, 10118080, 20236160, 40472320]

約数ペア:

[(1, 40472320), (2, 20236160), (4, 10118080), (5, 8094464), (7, 5781760), (8, 5059040), (10, 4047232), (14, 2890880), (16, 2529520), (20, 2023616), (28, 1445440), (32, 1264760), (35, 1156352), (40, 1011808), (56, 722720), (64, 632380), (70, 578176), (80, 505904), (112, 361360), (128, 316190), (140, 289088), (160, 252952), (224, 180680), (256, 158095), (280, 144544), (320, 126476), (448, 90340), (560, 72272), (640, 63238), (896, 45170), (1120, 36136), (1280, 31619), (1792, 22585), (2240, 18068), (4480, 9034), (4517, 8960)]