4286720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 10927224

約数和(自身を除く): 6640504

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 197, 256, 272, 320, 340, 394, 544, 640, 680, 788, 985, 1088, 1280, 1360, 1576, 1970, 2176, 2720, 3152, 3349, 3940, 4352, 5440, 6304, 6698, 7880, 10880, 12608, 13396, 15760, 16745, 21760, 25216, 26792, 31520, 33490, 50432, 53584, 63040, 66980, 107168, 126080, 133960, 214336, 252160, 267920, 428672, 535840, 857344, 1071680, 2143360, 4286720]

約数ペア:

[(1, 4286720), (2, 2143360), (4, 1071680), (5, 857344), (8, 535840), (10, 428672), (16, 267920), (17, 252160), (20, 214336), (32, 133960), (34, 126080), (40, 107168), (64, 66980), (68, 63040), (80, 53584), (85, 50432), (128, 33490), (136, 31520), (160, 26792), (170, 25216), (197, 21760), (256, 16745), (272, 15760), (320, 13396), (340, 12608), (394, 10880), (544, 7880), (640, 6698), (680, 6304), (788, 5440), (985, 4352), (1088, 3940), (1280, 3349), (1360, 3152), (1576, 2720), (1970, 2176)]