208969760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42131}}^1$

素因数の和:42177

約数の個数: 48

約数和(自身を含む): 509628672

約数和(自身を除く): 300658912

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, 42131, 84262, 168524, 210655, 337048, 421310, 674096, 842620, 1306061, 1348192, 1685240, 2612122, 3370480, 5224244, 6530305, 6740960, 10448488, 13060610, 20896976, 26121220, 41793952, 52242440, 104484880, 208969760]

約数ペア:

[(1, 208969760), (2, 104484880), (4, 52242440), (5, 41793952), (8, 26121220), (10, 20896976), (16, 13060610), (20, 10448488), (31, 6740960), (32, 6530305), (40, 5224244), (62, 3370480), (80, 2612122), (124, 1685240), (155, 1348192), (160, 1306061), (248, 842620), (310, 674096), (496, 421310), (620, 337048), (992, 210655), (1240, 168524), (2480, 84262), (4960, 42131)]