20138289440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4060139}}^1$

素因数の和:4060185

約数の個数: 48

約数和(自身を含む): 49111453440

約数和(自身を除く): 28973164000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 4060139, 8120278, 16240556, 20300695, 32481112, 40601390, 64962224, 81202780, 125864309, 129924448, 162405560, 251728618, 324811120, 503457236, 629321545, 649622240, 1006914472, 1258643090, 2013828944, 2517286180, 4027657888, 5034572360, 10069144720, 20138289440]

約数ペア:

[(1, 20138289440), (2, 10069144720), (4, 5034572360), (5, 4027657888), (8, 2517286180), (10, 2013828944), (16, 1258643090), (20, 1006914472), (31, 649622240), (32, 629321545), (40, 503457236), (62, 324811120), (80, 251728618), (124, 162405560), (155, 129924448), (160, 125864309), (248, 81202780), (310, 64962224), (496, 40601390), (620, 32481112), (992, 20300695), (1240, 16240556), (2480, 8120278), (4960, 4060139)]