40244780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2887}}^1$

素因数の和:2954

約数の個数: 48

約数和(自身を含む): 91699776

約数和(自身を除く): 51454996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 2887, 3485, 5774, 6970, 11548, 13940, 14435, 28870, 49079, 57740, 98158, 118367, 196316, 236734, 245395, 473468, 490790, 591835, 981580, 1183670, 2012239, 2367340, 4024478, 8048956, 10061195, 20122390, 40244780]

約数ペア:

[(1, 40244780), (2, 20122390), (4, 10061195), (5, 8048956), (10, 4024478), (17, 2367340), (20, 2012239), (34, 1183670), (41, 981580), (68, 591835), (82, 490790), (85, 473468), (164, 245395), (170, 236734), (205, 196316), (340, 118367), (410, 98158), (697, 57740), (820, 49079), (1394, 28870), (2788, 14435), (2887, 13940), (3485, 11548), (5774, 6970)]