12986604160

素因数分解:

$2^7\times 5^1\times {\mathrm{3191}}^1\times {\mathrm{6359}}^1$

素因数の和:9569

約数の個数: 64

約数和(自身を含む): 31060713600

約数和(自身を除く): 18074109440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3191, 6359, 6382, 12718, 12764, 15955, 25436, 25528, 31795, 31910, 50872, 51056, 63590, 63820, 101744, 102112, 127180, 127640, 203488, 204224, 254360, 255280, 406976, 408448, 508720, 510560, 813952, 1017440, 1021120, 2034880, 2042240, 4069760, 20291569, 40583138, 81166276, 101457845, 162332552, 202915690, 324665104, 405831380, 649330208, 811662760, 1298660416, 1623325520, 2597320832, 3246651040, 6493302080, 12986604160]

約数ペア:

[(1, 12986604160), (2, 6493302080), (4, 3246651040), (5, 2597320832), (8, 1623325520), (10, 1298660416), (16, 811662760), (20, 649330208), (32, 405831380), (40, 324665104), (64, 202915690), (80, 162332552), (128, 101457845), (160, 81166276), (320, 40583138), (640, 20291569), (3191, 4069760), (6359, 2042240), (6382, 2034880), (12718, 1021120), (12764, 1017440), (15955, 813952), (25436, 510560), (25528, 508720), (31795, 408448), (31910, 406976), (50872, 255280), (51056, 254360), (63590, 204224), (63820, 203488), (101744, 127640), (102112, 127180)]