40245344

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1$

素因数の和:1855

約数の個数: 48

約数和(自身を含む): 85705200

約数和(自身を除く): 45459856

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 592, 608, 703, 1184, 1406, 1789, 2812, 3578, 5624, 7156, 11248, 14312, 22496, 28624, 33991, 57248, 66193, 67982, 132386, 135964, 264772, 271928, 529544, 543856, 1059088, 1087712, 1257667, 2118176, 2515334, 5030668, 10061336, 20122672, 40245344]

約数ペア:

[(1, 40245344), (2, 20122672), (4, 10061336), (8, 5030668), (16, 2515334), (19, 2118176), (32, 1257667), (37, 1087712), (38, 1059088), (74, 543856), (76, 529544), (148, 271928), (152, 264772), (296, 135964), (304, 132386), (592, 67982), (608, 66193), (703, 57248), (1184, 33991), (1406, 28624), (1789, 22496), (2812, 14312), (3578, 11248), (5624, 7156)]