25328240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1510

約数の個数: 80

約数和(自身を含む): 69519360

約数和(自身を除く): 44191120

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, 1459, 1736, 2170, 2480, 2918, 3472, 4340, 5836, 7295, 8680, 10213, 11672, 14590, 17360, 20426, 23344, 29180, 40852, 45229, 51065, 58360, 81704, 90458, 102130, 116720, 163408, 180916, 204260, 226145, 316603, 361832, 408520, 452290, 633206, 723664, 817040, 904580, 1266412, 1583015, 1809160, 2532824, 3166030, 3618320, 5065648, 6332060, 12664120, 25328240]

約数ペア:

[(1, 25328240), (2, 12664120), (4, 6332060), (5, 5065648), (7, 3618320), (8, 3166030), (10, 2532824), (14, 1809160), (16, 1583015), (20, 1266412), (28, 904580), (31, 817040), (35, 723664), (40, 633206), (56, 452290), (62, 408520), (70, 361832), (80, 316603), (112, 226145), (124, 204260), (140, 180916), (155, 163408), (217, 116720), (248, 102130), (280, 90458), (310, 81704), (434, 58360), (496, 51065), (560, 45229), (620, 40852), (868, 29180), (1085, 23344), (1240, 20426), (1459, 17360), (1736, 14590), (2170, 11672), (2480, 10213), (2918, 8680), (3472, 7295), (4340, 5836)]