404850080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2633}}^1$

素因数の和:2710

約数の個数: 72

約数和(自身を含む): 988682436

約数和(自身を除く): 583832356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1922, 2480, 2633, 3844, 4805, 4960, 5266, 7688, 9610, 10532, 13165, 15376, 19220, 21064, 26330, 30752, 38440, 42128, 52660, 76880, 81623, 84256, 105320, 153760, 163246, 210640, 326492, 408115, 421280, 652984, 816230, 1305968, 1632460, 2530313, 2611936, 3264920, 5060626, 6529840, 10121252, 12651565, 13059680, 20242504, 25303130, 40485008, 50606260, 80970016, 101212520, 202425040, 404850080]

約数ペア:

[(1, 404850080), (2, 202425040), (4, 101212520), (5, 80970016), (8, 50606260), (10, 40485008), (16, 25303130), (20, 20242504), (31, 13059680), (32, 12651565), (40, 10121252), (62, 6529840), (80, 5060626), (124, 3264920), (155, 2611936), (160, 2530313), (248, 1632460), (310, 1305968), (496, 816230), (620, 652984), (961, 421280), (992, 408115), (1240, 326492), (1922, 210640), (2480, 163246), (2633, 153760), (3844, 105320), (4805, 84256), (4960, 81623), (5266, 76880), (7688, 52660), (9610, 42128), (10532, 38440), (13165, 30752), (15376, 26330), (19220, 21064)]