25239760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3467}}^1$

素因数の和:3500

約数の個数: 80

約数和(自身を含む): 72245376

約数和(自身を除く): 47005616

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, 3467, 3640, 6934, 7280, 13868, 17335, 24269, 27736, 34670, 45071, 48538, 55472, 69340, 90142, 97076, 121345, 138680, 180284, 194152, 225355, 242690, 277360, 315497, 360568, 388304, 450710, 485380, 630994, 721136, 901420, 970760, 1261988, 1577485, 1802840, 1941520, 2523976, 3154970, 3605680, 5047952, 6309940, 12619880, 25239760]

約数ペア:

[(1, 25239760), (2, 12619880), (4, 6309940), (5, 5047952), (7, 3605680), (8, 3154970), (10, 2523976), (13, 1941520), (14, 1802840), (16, 1577485), (20, 1261988), (26, 970760), (28, 901420), (35, 721136), (40, 630994), (52, 485380), (56, 450710), (65, 388304), (70, 360568), (80, 315497), (91, 277360), (104, 242690), (112, 225355), (130, 194152), (140, 180284), (182, 138680), (208, 121345), (260, 97076), (280, 90142), (364, 69340), (455, 55472), (520, 48538), (560, 45071), (728, 34670), (910, 27736), (1040, 24269), (1456, 17335), (1820, 13868), (3467, 7280), (3640, 6934)]