80919040

素因数分解:

$2^9\times 5^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:529

約数の個数: 80

約数和(自身を含む): 197128008

約数和(自身を除く): 116208968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 433, 512, 584, 640, 730, 866, 1168, 1280, 1460, 1732, 2165, 2336, 2560, 2920, 3464, 4330, 4672, 5840, 6928, 8660, 9344, 11680, 13856, 17320, 18688, 23360, 27712, 31609, 34640, 37376, 46720, 55424, 63218, 69280, 93440, 110848, 126436, 138560, 158045, 186880, 221696, 252872, 277120, 316090, 505744, 554240, 632180, 1011488, 1108480, 1264360, 2022976, 2528720, 4045952, 5057440, 8091904, 10114880, 16183808, 20229760, 40459520, 80919040]

約数ペア:

[(1, 80919040), (2, 40459520), (4, 20229760), (5, 16183808), (8, 10114880), (10, 8091904), (16, 5057440), (20, 4045952), (32, 2528720), (40, 2022976), (64, 1264360), (73, 1108480), (80, 1011488), (128, 632180), (146, 554240), (160, 505744), (256, 316090), (292, 277120), (320, 252872), (365, 221696), (433, 186880), (512, 158045), (584, 138560), (640, 126436), (730, 110848), (866, 93440), (1168, 69280), (1280, 63218), (1460, 55424), (1732, 46720), (2165, 37376), (2336, 34640), (2560, 31609), (2920, 27712), (3464, 23360), (4330, 18688), (4672, 17320), (5840, 13856), (6928, 11680), (8660, 9344)]