80823820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1751

約数の個数: 96

約数和(自身を含む): 218566656

約数和(自身を除く): 137742836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1540, 1693, 1705, 2170, 2387, 3386, 3410, 4340, 4774, 6772, 6820, 8465, 9548, 11851, 11935, 16930, 18623, 23702, 23870, 33860, 37246, 47404, 47740, 52483, 59255, 74492, 93115, 104966, 118510, 130361, 186230, 209932, 237020, 260722, 262415, 367381, 372460, 521444, 524830, 577313, 651805, 734762, 1049660, 1154626, 1303610, 1469524, 1836905, 2309252, 2607220, 2886565, 3673810, 4041191, 5773130, 7347620, 8082382, 11546260, 16164764, 20205955, 40411910, 80823820]

約数ペア:

[(1, 80823820), (2, 40411910), (4, 20205955), (5, 16164764), (7, 11546260), (10, 8082382), (11, 7347620), (14, 5773130), (20, 4041191), (22, 3673810), (28, 2886565), (31, 2607220), (35, 2309252), (44, 1836905), (55, 1469524), (62, 1303610), (70, 1154626), (77, 1049660), (110, 734762), (124, 651805), (140, 577313), (154, 524830), (155, 521444), (217, 372460), (220, 367381), (308, 262415), (310, 260722), (341, 237020), (385, 209932), (434, 186230), (620, 130361), (682, 118510), (770, 104966), (868, 93115), (1085, 74492), (1364, 59255), (1540, 52483), (1693, 47740), (1705, 47404), (2170, 37246), (2387, 33860), (3386, 23870), (3410, 23702), (4340, 18623), (4774, 16930), (6772, 11935), (6820, 11851), (8465, 9548)]