51123520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:840

約数の個数: 112

約数和(自身を含む): 144109440

約数和(自身を除く): 92985920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 320, 406, 448, 464, 560, 580, 787, 812, 928, 1015, 1120, 1160, 1574, 1624, 1856, 2030, 2240, 2320, 3148, 3248, 3935, 4060, 4640, 5509, 6296, 6496, 7870, 8120, 9280, 11018, 12592, 12992, 15740, 16240, 22036, 22823, 25184, 27545, 31480, 32480, 44072, 45646, 50368, 55090, 62960, 64960, 88144, 91292, 110180, 114115, 125920, 159761, 176288, 182584, 220360, 228230, 251840, 319522, 352576, 365168, 440720, 456460, 639044, 730336, 798805, 881440, 912920, 1278088, 1460672, 1597610, 1762880, 1825840, 2556176, 3195220, 3651680, 5112352, 6390440, 7303360, 10224704, 12780880, 25561760, 51123520]

約数ペア:

[(1, 51123520), (2, 25561760), (4, 12780880), (5, 10224704), (7, 7303360), (8, 6390440), (10, 5112352), (14, 3651680), (16, 3195220), (20, 2556176), (28, 1825840), (29, 1762880), (32, 1597610), (35, 1460672), (40, 1278088), (56, 912920), (58, 881440), (64, 798805), (70, 730336), (80, 639044), (112, 456460), (116, 440720), (140, 365168), (145, 352576), (160, 319522), (203, 251840), (224, 228230), (232, 220360), (280, 182584), (290, 176288), (320, 159761), (406, 125920), (448, 114115), (464, 110180), (560, 91292), (580, 88144), (787, 64960), (812, 62960), (928, 55090), (1015, 50368), (1120, 45646), (1160, 44072), (1574, 32480), (1624, 31480), (1856, 27545), (2030, 25184), (2240, 22823), (2320, 22036), (3148, 16240), (3248, 15740), (3935, 12992), (4060, 12592), (4640, 11018), (5509, 9280), (6296, 8120), (6496, 7870)]