51243920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7039}}^1$

素因数の和:7072

約数の個数: 80

約数和(自身を含む): 146657280

約数和(自身を除く): 95413360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7039, 7280, 14078, 28156, 35195, 49273, 56312, 70390, 91507, 98546, 112624, 140780, 183014, 197092, 246365, 281560, 366028, 394184, 457535, 492730, 563120, 640549, 732056, 788368, 915070, 985460, 1281098, 1464112, 1830140, 1970920, 2562196, 3202745, 3660280, 3941840, 5124392, 6405490, 7320560, 10248784, 12810980, 25621960, 51243920]

約数ペア:

[(1, 51243920), (2, 25621960), (4, 12810980), (5, 10248784), (7, 7320560), (8, 6405490), (10, 5124392), (13, 3941840), (14, 3660280), (16, 3202745), (20, 2562196), (26, 1970920), (28, 1830140), (35, 1464112), (40, 1281098), (52, 985460), (56, 915070), (65, 788368), (70, 732056), (80, 640549), (91, 563120), (104, 492730), (112, 457535), (130, 394184), (140, 366028), (182, 281560), (208, 246365), (260, 197092), (280, 183014), (364, 140780), (455, 112624), (520, 98546), (560, 91507), (728, 70390), (910, 56312), (1040, 49273), (1456, 35195), (1820, 28156), (3640, 14078), (7039, 7280)]