40459520

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 98467656

約数和(自身を除く): 58008136

約数列:

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

約数ペア:

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