25405864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 29429336

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 67, 88, 124, 134, 139, 248, 268, 278, 341, 536, 556, 682, 737, 1112, 1364, 1474, 1529, 2077, 2728, 2948, 3058, 4154, 4309, 5896, 6116, 8308, 8618, 9313, 12232, 16616, 17236, 18626, 22847, 34472, 37252, 45694, 47399, 74504, 91388, 94798, 102443, 182776, 189596, 204886, 288703, 379192, 409772, 577406, 819544, 1154812, 2309624, 3175733, 6351466, 12702932, 25405864]

約数ペア:

[(1, 25405864), (2, 12702932), (4, 6351466), (8, 3175733), (11, 2309624), (22, 1154812), (31, 819544), (44, 577406), (62, 409772), (67, 379192), (88, 288703), (124, 204886), (134, 189596), (139, 182776), (248, 102443), (268, 94798), (278, 91388), (341, 74504), (536, 47399), (556, 45694), (682, 37252), (737, 34472), (1112, 22847), (1364, 18626), (1474, 17236), (1529, 16616), (2077, 12232), (2728, 9313), (2948, 8618), (3058, 8308), (4154, 6116), (4309, 5896)]