8428263.00000000

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4051}}^1$

素因数の和:4089

約数の個数: 72

約数和(自身を含む): 223621776

約数和(自身を除く): 135472016

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, 4051, 4352, 5440, 8102, 10880, 16204, 20255, 21760, 32408, 40510, 64816, 68867, 81020, 129632, 137734, 162040, 259264, 275468, 324080, 344335, 518528, 550936, 648160, 688670, 1037056, 1101872, 1296320, 1377340, 2203744, 2592640, 2754680, 4407488, 5185280, 5509360, 8814976, 11018720, 17629952, 22037440, 44074880, 88149760]

約数ペア:

[(1, 88149760), (2, 44074880), (4, 22037440), (5, 17629952), (8, 11018720), (10, 8814976), (16, 5509360), (17, 5185280), (20, 4407488), (32, 2754680), (34, 2592640), (40, 2203744), (64, 1377340), (68, 1296320), (80, 1101872), (85, 1037056), (128, 688670), (136, 648160), (160, 550936), (170, 518528), (256, 344335), (272, 324080), (320, 275468), (340, 259264), (544, 162040), (640, 137734), (680, 129632), (1088, 81020), (1280, 68867), (1360, 64816), (2176, 40510), (2720, 32408), (4051, 21760), (4352, 20255), (5440, 16204), (8102, 10880)]