40418420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 102359040

約数和(自身を除く): 61940620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 67, 70, 124, 134, 139, 140, 155, 217, 268, 278, 310, 335, 434, 469, 556, 620, 670, 695, 868, 938, 973, 1085, 1340, 1390, 1876, 1946, 2077, 2170, 2345, 2780, 3892, 4154, 4309, 4340, 4690, 4865, 8308, 8618, 9313, 9380, 9730, 10385, 14539, 17236, 18626, 19460, 20770, 21545, 29078, 30163, 37252, 41540, 43090, 46565, 58156, 60326, 65191, 72695, 86180, 93130, 120652, 130382, 145390, 150815, 186260, 260764, 288703, 290780, 301630, 325955, 577406, 603260, 651910, 1154812, 1303820, 1443515, 2020921, 2887030, 4041842, 5774060, 8083684, 10104605, 20209210, 40418420]

約数ペア:

[(1, 40418420), (2, 20209210), (4, 10104605), (5, 8083684), (7, 5774060), (10, 4041842), (14, 2887030), (20, 2020921), (28, 1443515), (31, 1303820), (35, 1154812), (62, 651910), (67, 603260), (70, 577406), (124, 325955), (134, 301630), (139, 290780), (140, 288703), (155, 260764), (217, 186260), (268, 150815), (278, 145390), (310, 130382), (335, 120652), (434, 93130), (469, 86180), (556, 72695), (620, 65191), (670, 60326), (695, 58156), (868, 46565), (938, 43090), (973, 41540), (1085, 37252), (1340, 30163), (1390, 29078), (1876, 21545), (1946, 20770), (2077, 19460), (2170, 18626), (2345, 17236), (2780, 14539), (3892, 10385), (4154, 9730), (4309, 9380), (4340, 9313), (4690, 8618), (4865, 8308)]