40488320

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1603

約数の個数: 64

約数和(自身を含む): 99217440

約数和(自身を除く): 58729120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1543, 1640, 2624, 3086, 3280, 5248, 6172, 6560, 7715, 12344, 13120, 15430, 24688, 26240, 30860, 49376, 61720, 63263, 98752, 123440, 126526, 197504, 246880, 253052, 316315, 493760, 506104, 632630, 987520, 1012208, 1265260, 2024416, 2530520, 4048832, 5061040, 8097664, 10122080, 20244160, 40488320]

約数ペア:

[(1, 40488320), (2, 20244160), (4, 10122080), (5, 8097664), (8, 5061040), (10, 4048832), (16, 2530520), (20, 2024416), (32, 1265260), (40, 1012208), (41, 987520), (64, 632630), (80, 506104), (82, 493760), (128, 316315), (160, 253052), (164, 246880), (205, 197504), (320, 126526), (328, 123440), (410, 98752), (640, 63263), (656, 61720), (820, 49376), (1312, 30860), (1543, 26240), (1640, 24688), (2624, 15430), (3086, 13120), (3280, 12344), (5248, 7715), (6172, 6560)]