25849040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1540

約数の個数: 80

約数和(自身を含む): 70947840

約数和(自身を除く): 45098800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1489, 1736, 2170, 2480, 2978, 3472, 4340, 5956, 7445, 8680, 10423, 11912, 14890, 17360, 20846, 23824, 29780, 41692, 46159, 52115, 59560, 83384, 92318, 104230, 119120, 166768, 184636, 208460, 230795, 323113, 369272, 416920, 461590, 646226, 738544, 833840, 923180, 1292452, 1615565, 1846360, 2584904, 3231130, 3692720, 5169808, 6462260, 12924520, 25849040]

約数ペア:

[(1, 25849040), (2, 12924520), (4, 6462260), (5, 5169808), (7, 3692720), (8, 3231130), (10, 2584904), (14, 1846360), (16, 1615565), (20, 1292452), (28, 923180), (31, 833840), (35, 738544), (40, 646226), (56, 461590), (62, 416920), (70, 369272), (80, 323113), (112, 230795), (124, 208460), (140, 184636), (155, 166768), (217, 119120), (248, 104230), (280, 92318), (310, 83384), (434, 59560), (496, 52115), (560, 46159), (620, 41692), (868, 29780), (1085, 23824), (1240, 20846), (1489, 17360), (1736, 14890), (2170, 11912), (2480, 10423), (2978, 8680), (3472, 7445), (4340, 5956)]