51842140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^2$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 129860640

約数和(自身を除く): 78018500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 113, 116, 140, 145, 203, 226, 290, 406, 452, 565, 580, 791, 812, 1015, 1130, 1582, 2030, 2260, 3164, 3277, 3955, 4060, 6554, 7910, 12769, 13108, 15820, 16385, 22939, 25538, 32770, 45878, 51076, 63845, 65540, 89383, 91756, 114695, 127690, 178766, 229390, 255380, 357532, 370301, 446915, 458780, 740602, 893830, 1481204, 1787660, 1851505, 2592107, 3703010, 5184214, 7406020, 10368428, 12960535, 25921070, 51842140]

約数ペア:

[(1, 51842140), (2, 25921070), (4, 12960535), (5, 10368428), (7, 7406020), (10, 5184214), (14, 3703010), (20, 2592107), (28, 1851505), (29, 1787660), (35, 1481204), (58, 893830), (70, 740602), (113, 458780), (116, 446915), (140, 370301), (145, 357532), (203, 255380), (226, 229390), (290, 178766), (406, 127690), (452, 114695), (565, 91756), (580, 89383), (791, 65540), (812, 63845), (1015, 51076), (1130, 45878), (1582, 32770), (2030, 25538), (2260, 22939), (3164, 16385), (3277, 15820), (3955, 13108), (4060, 12769), (6554, 7910)]