25842040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 72316800

約数和(自身を除く): 46474760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 61, 68, 70, 85, 89, 119, 122, 136, 140, 170, 178, 238, 244, 280, 305, 340, 356, 427, 445, 476, 488, 595, 610, 623, 680, 712, 854, 890, 952, 1037, 1190, 1220, 1246, 1513, 1708, 1780, 2074, 2135, 2380, 2440, 2492, 3026, 3115, 3416, 3560, 4148, 4270, 4760, 4984, 5185, 5429, 6052, 6230, 7259, 7565, 8296, 8540, 10370, 10591, 10858, 12104, 12460, 14518, 15130, 17080, 20740, 21182, 21716, 24920, 27145, 29036, 30260, 36295, 38003, 41480, 42364, 43432, 52955, 54290, 58072, 60520, 72590, 76006, 84728, 92293, 105910, 108580, 145180, 152012, 184586, 190015, 211820, 217160, 290360, 304024, 369172, 380030, 423640, 461465, 646051, 738344, 760060, 922930, 1292102, 1520120, 1845860, 2584204, 3230255, 3691720, 5168408, 6460510, 12921020, 25842040]

約数ペア:

[(1, 25842040), (2, 12921020), (4, 6460510), (5, 5168408), (7, 3691720), (8, 3230255), (10, 2584204), (14, 1845860), (17, 1520120), (20, 1292102), (28, 922930), (34, 760060), (35, 738344), (40, 646051), (56, 461465), (61, 423640), (68, 380030), (70, 369172), (85, 304024), (89, 290360), (119, 217160), (122, 211820), (136, 190015), (140, 184586), (170, 152012), (178, 145180), (238, 108580), (244, 105910), (280, 92293), (305, 84728), (340, 76006), (356, 72590), (427, 60520), (445, 58072), (476, 54290), (488, 52955), (595, 43432), (610, 42364), (623, 41480), (680, 38003), (712, 36295), (854, 30260), (890, 29036), (952, 27145), (1037, 24920), (1190, 21716), (1220, 21182), (1246, 20740), (1513, 17080), (1708, 15130), (1780, 14518), (2074, 12460), (2135, 12104), (2380, 10858), (2440, 10591), (2492, 10370), (3026, 8540), (3115, 8296), (3416, 7565), (3560, 7259), (4148, 6230), (4270, 6052), (4760, 5429), (4984, 5185)]