51370540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 122492160

約数和(自身を除く): 71121620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 61, 65, 79, 82, 122, 130, 158, 164, 205, 244, 260, 305, 316, 395, 410, 533, 610, 790, 793, 820, 1027, 1066, 1220, 1580, 1586, 2054, 2132, 2501, 2665, 3172, 3239, 3965, 4108, 4819, 5002, 5135, 5330, 6478, 7930, 9638, 10004, 10270, 10660, 12505, 12956, 15860, 16195, 19276, 20540, 24095, 25010, 32390, 32513, 42107, 48190, 50020, 62647, 64780, 65026, 84214, 96380, 125294, 130052, 162565, 168428, 197579, 210535, 250588, 313235, 325130, 395158, 421070, 626470, 650260, 790316, 842140, 987895, 1252940, 1975790, 2568527, 3951580, 5137054, 10274108, 12842635, 25685270, 51370540]

約数ペア:

[(1, 51370540), (2, 25685270), (4, 12842635), (5, 10274108), (10, 5137054), (13, 3951580), (20, 2568527), (26, 1975790), (41, 1252940), (52, 987895), (61, 842140), (65, 790316), (79, 650260), (82, 626470), (122, 421070), (130, 395158), (158, 325130), (164, 313235), (205, 250588), (244, 210535), (260, 197579), (305, 168428), (316, 162565), (395, 130052), (410, 125294), (533, 96380), (610, 84214), (790, 65026), (793, 64780), (820, 62647), (1027, 50020), (1066, 48190), (1220, 42107), (1580, 32513), (1586, 32390), (2054, 25010), (2132, 24095), (2501, 20540), (2665, 19276), (3172, 16195), (3239, 15860), (3965, 12956), (4108, 12505), (4819, 10660), (5002, 10270), (5135, 10004), (5330, 9638), (6478, 7930)]