65411840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3931}}^1$

素因数の和:3965

約数の個数: 72

約数和(自身を含む): 168777168

約数和(自身を除く): 103365328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 3931, 4160, 7862, 8320, 15724, 16640, 19655, 31448, 39310, 51103, 62896, 78620, 102206, 125792, 157240, 204412, 251584, 255515, 314480, 408824, 503168, 511030, 628960, 817648, 1006336, 1022060, 1257920, 1635296, 2044120, 2515840, 3270592, 4088240, 5031680, 6541184, 8176480, 13082368, 16352960, 32705920, 65411840]

約数ペア:

[(1, 65411840), (2, 32705920), (4, 16352960), (5, 13082368), (8, 8176480), (10, 6541184), (13, 5031680), (16, 4088240), (20, 3270592), (26, 2515840), (32, 2044120), (40, 1635296), (52, 1257920), (64, 1022060), (65, 1006336), (80, 817648), (104, 628960), (128, 511030), (130, 503168), (160, 408824), (208, 314480), (256, 255515), (260, 251584), (320, 204412), (416, 157240), (520, 125792), (640, 102206), (832, 78620), (1040, 62896), (1280, 51103), (1664, 39310), (2080, 31448), (3328, 19655), (3931, 16640), (4160, 15724), (7862, 8320)]