80011520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3677}}^1$

素因数の和:3715

約数の個数: 72

約数和(自身を含む): 202981464

約数和(自身を除く): 122969944

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3677, 4352, 5440, 7354, 10880, 14708, 18385, 21760, 29416, 36770, 58832, 62509, 73540, 117664, 125018, 147080, 235328, 250036, 294160, 312545, 470656, 500072, 588320, 625090, 941312, 1000144, 1176640, 1250180, 2000288, 2353280, 2500360, 4000576, 4706560, 5000720, 8001152, 10001440, 16002304, 20002880, 40005760, 80011520]

約数ペア:

[(1, 80011520), (2, 40005760), (4, 20002880), (5, 16002304), (8, 10001440), (10, 8001152), (16, 5000720), (17, 4706560), (20, 4000576), (32, 2500360), (34, 2353280), (40, 2000288), (64, 1250180), (68, 1176640), (80, 1000144), (85, 941312), (128, 625090), (136, 588320), (160, 500072), (170, 470656), (256, 312545), (272, 294160), (320, 250036), (340, 235328), (544, 147080), (640, 125018), (680, 117664), (1088, 73540), (1280, 62509), (1360, 58832), (2176, 36770), (2720, 29416), (3677, 21760), (4352, 18385), (5440, 14708), (7354, 10880)]