40716640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8209}}^1$

素因数の和:8255

約数の個数: 48

約数和(自身を含む): 99308160

約数和(自身を除く): 58591520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 8209, 16418, 32836, 41045, 65672, 82090, 131344, 164180, 254479, 262688, 328360, 508958, 656720, 1017916, 1272395, 1313440, 2035832, 2544790, 4071664, 5089580, 8143328, 10179160, 20358320, 40716640]

約数ペア:

[(1, 40716640), (2, 20358320), (4, 10179160), (5, 8143328), (8, 5089580), (10, 4071664), (16, 2544790), (20, 2035832), (31, 1313440), (32, 1272395), (40, 1017916), (62, 656720), (80, 508958), (124, 328360), (155, 262688), (160, 254479), (248, 164180), (310, 131344), (496, 82090), (620, 65672), (992, 41045), (1240, 32836), (2480, 16418), (4960, 8209)]