214908880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{65521}}^1$

素因数の和:65575

約数の個数: 40

約数和(自身を含む): 511857864

約数和(自身を除く): 296948984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 65521, 131042, 262084, 327605, 524168, 655210, 1048336, 1310420, 2620840, 2686361, 5241680, 5372722, 10745444, 13431805, 21490888, 26863610, 42981776, 53727220, 107454440, 214908880]

約数ペア:

[(1, 214908880), (2, 107454440), (4, 53727220), (5, 42981776), (8, 26863610), (10, 21490888), (16, 13431805), (20, 10745444), (40, 5372722), (41, 5241680), (80, 2686361), (82, 2620840), (164, 1310420), (205, 1048336), (328, 655210), (410, 524168), (656, 327605), (820, 262084), (1640, 131042), (3280, 65521)]