29123920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 78173568

約数和(自身を除く): 49049648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 397, 524, 560, 655, 794, 917, 1048, 1310, 1588, 1834, 1985, 2096, 2620, 2779, 3176, 3668, 3970, 4585, 5240, 5558, 6352, 7336, 7940, 9170, 10480, 11116, 13895, 14672, 15880, 18340, 22232, 27790, 31760, 36680, 44464, 52007, 55580, 73360, 104014, 111160, 208028, 222320, 260035, 364049, 416056, 520070, 728098, 832112, 1040140, 1456196, 1820245, 2080280, 2912392, 3640490, 4160560, 5824784, 7280980, 14561960, 29123920]

約数ペア:

[(1, 29123920), (2, 14561960), (4, 7280980), (5, 5824784), (7, 4160560), (8, 3640490), (10, 2912392), (14, 2080280), (16, 1820245), (20, 1456196), (28, 1040140), (35, 832112), (40, 728098), (56, 520070), (70, 416056), (80, 364049), (112, 260035), (131, 222320), (140, 208028), (262, 111160), (280, 104014), (397, 73360), (524, 55580), (560, 52007), (655, 44464), (794, 36680), (917, 31760), (1048, 27790), (1310, 22232), (1588, 18340), (1834, 15880), (1985, 14672), (2096, 13895), (2620, 11116), (2779, 10480), (3176, 9170), (3668, 7940), (3970, 7336), (4585, 6352), (5240, 5558)]