100721551160

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1\times {\mathrm{38953}}^1$

素因数の和:39600

約数の個数: 64

約数和(自身を含む): 228862540800

約数和(自身を除く): 128140989640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 509, 635, 1016, 1018, 1270, 2036, 2540, 2545, 4072, 5080, 5090, 10180, 20360, 38953, 64643, 77906, 129286, 155812, 194765, 258572, 311624, 323215, 389530, 517144, 646430, 779060, 1292860, 1558120, 2585720, 4947031, 9894062, 19788124, 19827077, 24735155, 39576248, 39654154, 49470310, 79308308, 98940620, 99135385, 158616616, 197881240, 198270770, 396541540, 793083080, 2518038779, 5036077558, 10072155116, 12590193895, 20144310232, 25180387790, 50360775580, 100721551160]

約数ペア:

[(1, 100721551160), (2, 50360775580), (4, 25180387790), (5, 20144310232), (8, 12590193895), (10, 10072155116), (20, 5036077558), (40, 2518038779), (127, 793083080), (254, 396541540), (508, 198270770), (509, 197881240), (635, 158616616), (1016, 99135385), (1018, 98940620), (1270, 79308308), (2036, 49470310), (2540, 39654154), (2545, 39576248), (4072, 24735155), (5080, 19827077), (5090, 19788124), (10180, 9894062), (20360, 4947031), (38953, 2585720), (64643, 1558120), (77906, 1292860), (129286, 779060), (155812, 646430), (194765, 517144), (258572, 389530), (311624, 323215)]