25879420980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20539223}}^1$

素因数の和:20539245

約数の個数: 72

約数和(自身を含む): 89715330432

約数和(自身を除く): 63835909452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20539223, 41078446, 61617669, 82156892, 102696115, 123235338, 143774561, 184853007, 205392230, 246470676, 287549122, 308088345, 369706014, 410784460, 431323683, 575098244, 616176690, 718872805, 739412028, 862647366, 924265035, 1232353380, 1293971049, 1437745610, 1725294732, 1848530070, 2156618415, 2587942098, 2875491220, 3697060140, 4313236830, 5175884196, 6469855245, 8626473660, 12939710490, 25879420980]

約数ペア:

[(1, 25879420980), (2, 12939710490), (3, 8626473660), (4, 6469855245), (5, 5175884196), (6, 4313236830), (7, 3697060140), (9, 2875491220), (10, 2587942098), (12, 2156618415), (14, 1848530070), (15, 1725294732), (18, 1437745610), (20, 1293971049), (21, 1232353380), (28, 924265035), (30, 862647366), (35, 739412028), (36, 718872805), (42, 616176690), (45, 575098244), (60, 431323683), (63, 410784460), (70, 369706014), (84, 308088345), (90, 287549122), (105, 246470676), (126, 205392230), (140, 184853007), (180, 143774561), (210, 123235338), (252, 102696115), (315, 82156892), (420, 61617669), (630, 41078446), (1260, 20539223)]